30331000

素因数分解:

$2^3\times 5^3\times 7^2\times {\mathrm{619}}^1$

素因数の和:654

約数の個数: 96

約数和(自身を含む): 82695600

約数和(自身を除く): 52364600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 25, 28, 35, 40, 49, 50, 56, 70, 98, 100, 125, 140, 175, 196, 200, 245, 250, 280, 350, 392, 490, 500, 619, 700, 875, 980, 1000, 1225, 1238, 1400, 1750, 1960, 2450, 2476, 3095, 3500, 4333, 4900, 4952, 6125, 6190, 7000, 8666, 9800, 12250, 12380, 15475, 17332, 21665, 24500, 24760, 30331, 30950, 34664, 43330, 49000, 60662, 61900, 77375, 86660, 108325, 121324, 123800, 151655, 154750, 173320, 216650, 242648, 303310, 309500, 433300, 541625, 606620, 619000, 758275, 866600, 1083250, 1213240, 1516550, 2166500, 3033100, 3791375, 4333000, 6066200, 7582750, 15165500, 30331000]

約数ペア:

[(1, 30331000), (2, 15165500), (4, 7582750), (5, 6066200), (7, 4333000), (8, 3791375), (10, 3033100), (14, 2166500), (20, 1516550), (25, 1213240), (28, 1083250), (35, 866600), (40, 758275), (49, 619000), (50, 606620), (56, 541625), (70, 433300), (98, 309500), (100, 303310), (125, 242648), (140, 216650), (175, 173320), (196, 154750), (200, 151655), (245, 123800), (250, 121324), (280, 108325), (350, 86660), (392, 77375), (490, 61900), (500, 60662), (619, 49000), (700, 43330), (875, 34664), (980, 30950), (1000, 30331), (1225, 24760), (1238, 24500), (1400, 21665), (1750, 17332), (1960, 15475), (2450, 12380), (2476, 12250), (3095, 9800), (3500, 8666), (4333, 7000), (4900, 6190), (4952, 6125)]