98980000

素因数分解:

$2^5\times 5^4\times 7^2\times {\mathrm{101}}^1$

素因数の和:145

約数の個数: 180

約数和(自身を含む): 286066242

約数和(自身を除く): 187086242

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 70, 80, 98, 100, 101, 112, 125, 140, 160, 175, 196, 200, 202, 224, 245, 250, 280, 350, 392, 400, 404, 490, 500, 505, 560, 625, 700, 707, 784, 800, 808, 875, 980, 1000, 1010, 1120, 1225, 1250, 1400, 1414, 1568, 1616, 1750, 1960, 2000, 2020, 2450, 2500, 2525, 2800, 2828, 3232, 3500, 3535, 3920, 4000, 4040, 4375, 4900, 4949, 5000, 5050, 5600, 5656, 6125, 7000, 7070, 7840, 8080, 8750, 9800, 9898, 10000, 10100, 11312, 12250, 12625, 14000, 14140, 16160, 17500, 17675, 19600, 19796, 20000, 20200, 22624, 24500, 24745, 25250, 28000, 28280, 30625, 35000, 35350, 39200, 39592, 40400, 49000, 49490, 50500, 56560, 61250, 63125, 70000, 70700, 79184, 80800, 88375, 98000, 98980, 101000, 113120, 122500, 123725, 126250, 140000, 141400, 158368, 176750, 196000, 197960, 202000, 245000, 247450, 252500, 282800, 353500, 395920, 404000, 441875, 490000, 494900, 505000, 565600, 618625, 707000, 791840, 883750, 980000, 989800, 1010000, 1237250, 1414000, 1767500, 1979600, 2020000, 2474500, 2828000, 3093125, 3535000, 3959200, 4949000, 6186250, 7070000, 9898000, 12372500, 14140000, 19796000, 24745000, 49490000, 98980000]

約数ペア:

[(1, 98980000), (2, 49490000), (4, 24745000), (5, 19796000), (7, 14140000), (8, 12372500), (10, 9898000), (14, 7070000), (16, 6186250), (20, 4949000), (25, 3959200), (28, 3535000), (32, 3093125), (35, 2828000), (40, 2474500), (49, 2020000), (50, 1979600), (56, 1767500), (70, 1414000), (80, 1237250), (98, 1010000), (100, 989800), (101, 980000), (112, 883750), (125, 791840), (140, 707000), (160, 618625), (175, 565600), (196, 505000), (200, 494900), (202, 490000), (224, 441875), (245, 404000), (250, 395920), (280, 353500), (350, 282800), (392, 252500), (400, 247450), (404, 245000), (490, 202000), (500, 197960), (505, 196000), (560, 176750), (625, 158368), (700, 141400), (707, 140000), (784, 126250), (800, 123725), (808, 122500), (875, 113120), (980, 101000), (1000, 98980), (1010, 98000), (1120, 88375), (1225, 80800), (1250, 79184), (1400, 70700), (1414, 70000), (1568, 63125), (1616, 61250), (1750, 56560), (1960, 50500), (2000, 49490), (2020, 49000), (2450, 40400), (2500, 39592), (2525, 39200), (2800, 35350), (2828, 35000), (3232, 30625), (3500, 28280), (3535, 28000), (3920, 25250), (4000, 24745), (4040, 24500), (4375, 22624), (4900, 20200), (4949, 20000), (5000, 19796), (5050, 19600), (5600, 17675), (5656, 17500), (6125, 16160), (7000, 14140), (7070, 14000), (7840, 12625), (8080, 12250), (8750, 11312), (9800, 10100), (9898, 10000)]