201547280

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{47}}^1\times {\mathrm{443}}^1$

素因数の和:525

約数の個数: 120

約数和(自身を含む): 527216256

約数和(自身を除く): 325668976

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 80, 88, 94, 110, 121, 176, 188, 220, 235, 242, 376, 440, 443, 470, 484, 517, 605, 752, 880, 886, 940, 968, 1034, 1210, 1772, 1880, 1936, 2068, 2215, 2420, 2585, 3544, 3760, 4136, 4430, 4840, 4873, 5170, 5687, 7088, 8272, 8860, 9680, 9746, 10340, 11374, 17720, 19492, 20680, 20821, 22748, 24365, 28435, 35440, 38984, 41360, 41642, 45496, 48730, 53603, 56870, 77968, 83284, 90992, 97460, 104105, 107206, 113740, 166568, 194920, 208210, 214412, 227480, 229031, 268015, 333136, 389840, 416420, 428824, 454960, 458062, 536030, 832840, 857648, 916124, 1072060, 1145155, 1665680, 1832248, 2144120, 2290310, 2519341, 3664496, 4288240, 4580620, 5038682, 9161240, 10077364, 12596705, 18322480, 20154728, 25193410, 40309456, 50386820, 100773640, 201547280]

約数ペア:

[(1, 201547280), (2, 100773640), (4, 50386820), (5, 40309456), (8, 25193410), (10, 20154728), (11, 18322480), (16, 12596705), (20, 10077364), (22, 9161240), (40, 5038682), (44, 4580620), (47, 4288240), (55, 3664496), (80, 2519341), (88, 2290310), (94, 2144120), (110, 1832248), (121, 1665680), (176, 1145155), (188, 1072060), (220, 916124), (235, 857648), (242, 832840), (376, 536030), (440, 458062), (443, 454960), (470, 428824), (484, 416420), (517, 389840), (605, 333136), (752, 268015), (880, 229031), (886, 227480), (940, 214412), (968, 208210), (1034, 194920), (1210, 166568), (1772, 113740), (1880, 107206), (1936, 104105), (2068, 97460), (2215, 90992), (2420, 83284), (2585, 77968), (3544, 56870), (3760, 53603), (4136, 48730), (4430, 45496), (4840, 41642), (4873, 41360), (5170, 38984), (5687, 35440), (7088, 28435), (8272, 24365), (8860, 22748), (9680, 20821), (9746, 20680), (10340, 19492), (11374, 17720)]