284200000

素因数分解:

$2^6\times 5^5\times 7^2\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 252

約数和(自身を含む): 848266020

約数和(自身を除く): 564066020

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 29, 32, 35, 40, 49, 50, 56, 58, 64, 70, 80, 98, 100, 112, 116, 125, 140, 145, 160, 175, 196, 200, 203, 224, 232, 245, 250, 280, 290, 320, 350, 392, 400, 406, 448, 464, 490, 500, 560, 580, 625, 700, 725, 784, 800, 812, 875, 928, 980, 1000, 1015, 1120, 1160, 1225, 1250, 1400, 1421, 1450, 1568, 1600, 1624, 1750, 1856, 1960, 2000, 2030, 2240, 2320, 2450, 2500, 2800, 2842, 2900, 3125, 3136, 3248, 3500, 3625, 3920, 4000, 4060, 4375, 4640, 4900, 5000, 5075, 5600, 5684, 5800, 6125, 6250, 6496, 7000, 7105, 7250, 7840, 8000, 8120, 8750, 9280, 9800, 10000, 10150, 11200, 11368, 11600, 12250, 12500, 12992, 14000, 14210, 14500, 15680, 16240, 17500, 18125, 19600, 20000, 20300, 21875, 22736, 23200, 24500, 25000, 25375, 28000, 28420, 29000, 30625, 32480, 35000, 35525, 36250, 39200, 40000, 40600, 43750, 45472, 46400, 49000, 50000, 50750, 56000, 56840, 58000, 61250, 64960, 70000, 71050, 72500, 78400, 81200, 87500, 90625, 90944, 98000, 100000, 101500, 113680, 116000, 122500, 126875, 140000, 142100, 145000, 153125, 162400, 175000, 177625, 181250, 196000, 200000, 203000, 227360, 232000, 245000, 253750, 280000, 284200, 290000, 306250, 324800, 350000, 355250, 362500, 392000, 406000, 454720, 490000, 507500, 568400, 580000, 612500, 634375, 700000, 710500, 725000, 812000, 888125, 980000, 1015000, 1136800, 1160000, 1225000, 1268750, 1400000, 1421000, 1450000, 1624000, 1776250, 1960000, 2030000, 2273600, 2450000, 2537500, 2842000, 2900000, 3552500, 4060000, 4440625, 4900000, 5075000, 5684000, 5800000, 7105000, 8120000, 8881250, 9800000, 10150000, 11368000, 14210000, 17762500, 20300000, 28420000, 35525000, 40600000, 56840000, 71050000, 142100000, 284200000]

約数ペア:

[(1, 284200000), (2, 142100000), (4, 71050000), (5, 56840000), (7, 40600000), (8, 35525000), (10, 28420000), (14, 20300000), (16, 17762500), (20, 14210000), (25, 11368000), (28, 10150000), (29, 9800000), (32, 8881250), (35, 8120000), (40, 7105000), (49, 5800000), (50, 5684000), (56, 5075000), (58, 4900000), (64, 4440625), (70, 4060000), (80, 3552500), (98, 2900000), (100, 2842000), (112, 2537500), (116, 2450000), (125, 2273600), (140, 2030000), (145, 1960000), (160, 1776250), (175, 1624000), (196, 1450000), (200, 1421000), (203, 1400000), (224, 1268750), (232, 1225000), (245, 1160000), (250, 1136800), (280, 1015000), (290, 980000), (320, 888125), (350, 812000), (392, 725000), (400, 710500), (406, 700000), (448, 634375), (464, 612500), (490, 580000), (500, 568400), (560, 507500), (580, 490000), (625, 454720), (700, 406000), (725, 392000), (784, 362500), (800, 355250), (812, 350000), (875, 324800), (928, 306250), (980, 290000), (1000, 284200), (1015, 280000), (1120, 253750), (1160, 245000), (1225, 232000), (1250, 227360), (1400, 203000), (1421, 200000), (1450, 196000), (1568, 181250), (1600, 177625), (1624, 175000), (1750, 162400), (1856, 153125), (1960, 145000), (2000, 142100), (2030, 140000), (2240, 126875), (2320, 122500), (2450, 116000), (2500, 113680), (2800, 101500), (2842, 100000), (2900, 98000), (3125, 90944), (3136, 90625), (3248, 87500), (3500, 81200), (3625, 78400), (3920, 72500), (4000, 71050), (4060, 70000), (4375, 64960), (4640, 61250), (4900, 58000), (5000, 56840), (5075, 56000), (5600, 50750), (5684, 50000), (5800, 49000), (6125, 46400), (6250, 45472), (6496, 43750), (7000, 40600), (7105, 40000), (7250, 39200), (7840, 36250), (8000, 35525), (8120, 35000), (8750, 32480), (9280, 30625), (9800, 29000), (10000, 28420), (10150, 28000), (11200, 25375), (11368, 25000), (11600, 24500), (12250, 23200), (12500, 22736), (12992, 21875), (14000, 20300), (14210, 20000), (14500, 19600), (15680, 18125), (16240, 17500)]