108968420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{199}}^1$

素因数の和:369

約数の個数: 96

約数和(自身を含む): 266112000

約数和(自身を除く): 157143580

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 131, 190, 199, 209, 220, 262, 380, 398, 418, 524, 655, 796, 836, 995, 1045, 1310, 1441, 1990, 2090, 2189, 2489, 2620, 2882, 3781, 3980, 4180, 4378, 4978, 5764, 7205, 7562, 8756, 9956, 10945, 12445, 14410, 15124, 18905, 21890, 24890, 26069, 27379, 28820, 37810, 41591, 43780, 49780, 52138, 54758, 75620, 83182, 104276, 109516, 130345, 136895, 166364, 207955, 260690, 273790, 286759, 415910, 495311, 521380, 547580, 573518, 831820, 990622, 1147036, 1433795, 1981244, 2476555, 2867590, 4953110, 5448421, 5735180, 9906220, 10896842, 21793684, 27242105, 54484210, 108968420]

約数ペア:

[(1, 108968420), (2, 54484210), (4, 27242105), (5, 21793684), (10, 10896842), (11, 9906220), (19, 5735180), (20, 5448421), (22, 4953110), (38, 2867590), (44, 2476555), (55, 1981244), (76, 1433795), (95, 1147036), (110, 990622), (131, 831820), (190, 573518), (199, 547580), (209, 521380), (220, 495311), (262, 415910), (380, 286759), (398, 273790), (418, 260690), (524, 207955), (655, 166364), (796, 136895), (836, 130345), (995, 109516), (1045, 104276), (1310, 83182), (1441, 75620), (1990, 54758), (2090, 52138), (2189, 49780), (2489, 43780), (2620, 41591), (2882, 37810), (3781, 28820), (3980, 27379), (4180, 26069), (4378, 24890), (4978, 21890), (5764, 18905), (7205, 15124), (7562, 14410), (8756, 12445), (9956, 10945)]