28704900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{13669}}^1$

素因数の和:13693

約数の個数: 72

約数和(自身を含む): 94924480

約数和(自身を除く): 66219580

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 50, 60, 70, 75, 84, 100, 105, 140, 150, 175, 210, 300, 350, 420, 525, 700, 1050, 2100, 13669, 27338, 41007, 54676, 68345, 82014, 95683, 136690, 164028, 191366, 205035, 273380, 287049, 341725, 382732, 410070, 478415, 574098, 683450, 820140, 956830, 1025175, 1148196, 1366900, 1435245, 1913660, 2050350, 2392075, 2870490, 4100700, 4784150, 5740980, 7176225, 9568300, 14352450, 28704900]

約数ペア:

[(1, 28704900), (2, 14352450), (3, 9568300), (4, 7176225), (5, 5740980), (6, 4784150), (7, 4100700), (10, 2870490), (12, 2392075), (14, 2050350), (15, 1913660), (20, 1435245), (21, 1366900), (25, 1148196), (28, 1025175), (30, 956830), (35, 820140), (42, 683450), (50, 574098), (60, 478415), (70, 410070), (75, 382732), (84, 341725), (100, 287049), (105, 273380), (140, 205035), (150, 191366), (175, 164028), (210, 136690), (300, 95683), (350, 82014), (420, 68345), (525, 54676), (700, 41007), (1050, 27338), (2100, 13669)]