201996550

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1997}}^1$

素因数の和:2050

約数の個数: 72

約数和(自身を含む): 456359184

約数和(自身を除く): 254362634

約数列:

[1, 2, 5, 7, 10, 14, 17, 25, 34, 35, 50, 70, 85, 119, 170, 175, 238, 289, 350, 425, 578, 595, 850, 1190, 1445, 1997, 2023, 2890, 2975, 3994, 4046, 5950, 7225, 9985, 10115, 13979, 14450, 19970, 20230, 27958, 33949, 49925, 50575, 67898, 69895, 99850, 101150, 139790, 169745, 237643, 339490, 349475, 475286, 577133, 698950, 848725, 1154266, 1188215, 1697450, 2376430, 2885665, 4039931, 5771330, 5941075, 8079862, 11882150, 14428325, 20199655, 28856650, 40399310, 100998275, 201996550]

約数ペア:

[(1, 201996550), (2, 100998275), (5, 40399310), (7, 28856650), (10, 20199655), (14, 14428325), (17, 11882150), (25, 8079862), (34, 5941075), (35, 5771330), (50, 4039931), (70, 2885665), (85, 2376430), (119, 1697450), (170, 1188215), (175, 1154266), (238, 848725), (289, 698950), (350, 577133), (425, 475286), (578, 349475), (595, 339490), (850, 237643), (1190, 169745), (1445, 139790), (1997, 101150), (2023, 99850), (2890, 69895), (2975, 67898), (3994, 50575), (4046, 49925), (5950, 33949), (7225, 27958), (9985, 20230), (10115, 19970), (13979, 14450)]