2253669340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{109721}}^1$

素因数の和:109822

約数の個数: 48

約数和(自身を含む): 5161322880

約数和(自身を除く): 2907653540

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 1027, 1580, 2054, 4108, 5135, 10270, 20540, 109721, 219442, 438884, 548605, 1097210, 1426373, 2194420, 2852746, 5705492, 7131865, 8667959, 14263730, 17335918, 28527460, 34671836, 43339795, 86679590, 112683467, 173359180, 225366934, 450733868, 563417335, 1126834670, 2253669340]

約数ペア:

[(1, 2253669340), (2, 1126834670), (4, 563417335), (5, 450733868), (10, 225366934), (13, 173359180), (20, 112683467), (26, 86679590), (52, 43339795), (65, 34671836), (79, 28527460), (130, 17335918), (158, 14263730), (260, 8667959), (316, 7131865), (395, 5705492), (790, 2852746), (1027, 2194420), (1580, 1426373), (2054, 1097210), (4108, 548605), (5135, 438884), (10270, 219442), (20540, 109721)]