664428100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{49957}}^1$

素因数の和:49997

約数の個数: 72

約数和(自身を含む): 1734541760

約数和(自身を除く): 1070113660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 25, 28, 35, 38, 50, 70, 76, 95, 100, 133, 140, 175, 190, 266, 350, 380, 475, 532, 665, 700, 950, 1330, 1900, 2660, 3325, 6650, 13300, 49957, 99914, 199828, 249785, 349699, 499570, 699398, 949183, 999140, 1248925, 1398796, 1748495, 1898366, 2497850, 3496990, 3796732, 4745915, 4995700, 6644281, 6993980, 8742475, 9491830, 13288562, 17484950, 18983660, 23729575, 26577124, 33221405, 34969900, 47459150, 66442810, 94918300, 132885620, 166107025, 332214050, 664428100]

約数ペア:

[(1, 664428100), (2, 332214050), (4, 166107025), (5, 132885620), (7, 94918300), (10, 66442810), (14, 47459150), (19, 34969900), (20, 33221405), (25, 26577124), (28, 23729575), (35, 18983660), (38, 17484950), (50, 13288562), (70, 9491830), (76, 8742475), (95, 6993980), (100, 6644281), (133, 4995700), (140, 4745915), (175, 3796732), (190, 3496990), (266, 2497850), (350, 1898366), (380, 1748495), (475, 1398796), (532, 1248925), (665, 999140), (700, 949183), (950, 699398), (1330, 499570), (1900, 349699), (2660, 249785), (3325, 199828), (6650, 99914), (13300, 49957)]