72438275

素因数分解:

$5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1873}}^1$

素因数の和:1920

約数の個数: 48

約数和(自身を含む): 117117504

約数和(自身を除く): 44679229

約数列:

[1, 5, 7, 13, 17, 25, 35, 65, 85, 91, 119, 175, 221, 325, 425, 455, 595, 1105, 1547, 1873, 2275, 2975, 5525, 7735, 9365, 13111, 24349, 31841, 38675, 46825, 65555, 121745, 159205, 170443, 222887, 327775, 413933, 608725, 796025, 852215, 1114435, 2069665, 2897531, 4261075, 5572175, 10348325, 14487655, 72438275]

約数ペア:

[(1, 72438275), (5, 14487655), (7, 10348325), (13, 5572175), (17, 4261075), (25, 2897531), (35, 2069665), (65, 1114435), (85, 852215), (91, 796025), (119, 608725), (175, 413933), (221, 327775), (325, 222887), (425, 170443), (455, 159205), (595, 121745), (1105, 65555), (1547, 46825), (1873, 38675), (2275, 31841), (2975, 24349), (5525, 13111), (7735, 9365)]