31598420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{2857}}^1$

素因数の和:2952

約数の個数: 48

約数和(自身を含む): 76823040

約数和(自身を除く): 45224620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 79, 140, 158, 316, 395, 553, 790, 1106, 1580, 2212, 2765, 2857, 5530, 5714, 11060, 11428, 14285, 19999, 28570, 39998, 57140, 79996, 99995, 199990, 225703, 399980, 451406, 902812, 1128515, 1579921, 2257030, 3159842, 4514060, 6319684, 7899605, 15799210, 31598420]

約数ペア:

[(1, 31598420), (2, 15799210), (4, 7899605), (5, 6319684), (7, 4514060), (10, 3159842), (14, 2257030), (20, 1579921), (28, 1128515), (35, 902812), (70, 451406), (79, 399980), (140, 225703), (158, 199990), (316, 99995), (395, 79996), (553, 57140), (790, 39998), (1106, 28570), (1580, 19999), (2212, 14285), (2765, 11428), (2857, 11060), (5530, 5714)]