1390890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{653}}^1$

素因数の和:734

約数の個数: 32

約数和(自身を含む): 3390336

約数和(自身を除く): 1999446

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 653, 710, 1065, 1306, 1959, 2130, 3265, 3918, 6530, 9795, 19590, 46363, 92726, 139089, 231815, 278178, 463630, 695445, 1390890]

約数ペア:

[(1, 1390890), (2, 695445), (3, 463630), (5, 278178), (6, 231815), (10, 139089), (15, 92726), (30, 46363), (71, 19590), (142, 9795), (213, 6530), (355, 3918), (426, 3265), (653, 2130), (710, 1959), (1065, 1306)]