1378759970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{2557}}^1\times {\mathrm{7703}}^1$

素因数の和:10274

約数の個数: 32

約数和(自身を含む): 2837783808

約数和(自身を除く): 1459023838

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 2557, 5114, 7703, 12785, 15406, 17899, 25570, 35798, 38515, 53921, 77030, 89495, 107842, 178990, 269605, 539210, 19696571, 39393142, 98482855, 137875997, 196965710, 275751994, 689379985, 1378759970]

約数ペア:

[(1, 1378759970), (2, 689379985), (5, 275751994), (7, 196965710), (10, 137875997), (14, 98482855), (35, 39393142), (70, 19696571), (2557, 539210), (5114, 269605), (7703, 178990), (12785, 107842), (15406, 89495), (17899, 77030), (25570, 53921), (35798, 38515)]