28299050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{197}}^1$

素因数の和:252

約数の個数: 72

約数和(自身を含む): 60655716

約数和(自身を除く): 32356666

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 169, 170, 197, 221, 325, 338, 394, 425, 442, 650, 845, 850, 985, 1105, 1690, 1970, 2210, 2561, 2873, 3349, 4225, 4925, 5122, 5525, 5746, 6698, 8450, 9850, 11050, 12805, 14365, 16745, 25610, 28730, 33293, 33490, 43537, 64025, 66586, 71825, 83725, 87074, 128050, 143650, 166465, 167450, 217685, 332930, 435370, 565981, 832325, 1088425, 1131962, 1664650, 2176850, 2829905, 5659810, 14149525, 28299050]

約数ペア:

[(1, 28299050), (2, 14149525), (5, 5659810), (10, 2829905), (13, 2176850), (17, 1664650), (25, 1131962), (26, 1088425), (34, 832325), (50, 565981), (65, 435370), (85, 332930), (130, 217685), (169, 167450), (170, 166465), (197, 143650), (221, 128050), (325, 87074), (338, 83725), (394, 71825), (425, 66586), (442, 64025), (650, 43537), (845, 33490), (850, 33293), (985, 28730), (1105, 25610), (1690, 16745), (1970, 14365), (2210, 12805), (2561, 11050), (2873, 9850), (3349, 8450), (4225, 6698), (4925, 5746), (5122, 5525)]