27880990

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{367}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 51508224

約数和(自身を除く): 23627234

約数列:

[1, 2, 5, 10, 71, 107, 142, 214, 355, 367, 535, 710, 734, 1070, 1835, 3670, 7597, 15194, 26057, 37985, 39269, 52114, 75970, 78538, 130285, 196345, 260570, 392690, 2788099, 5576198, 13940495, 27880990]

約数ペア:

[(1, 27880990), (2, 13940495), (5, 5576198), (10, 2788099), (71, 392690), (107, 260570), (142, 196345), (214, 130285), (355, 78538), (367, 75970), (535, 52114), (710, 39269), (734, 37985), (1070, 26057), (1835, 15194), (3670, 7597)]