2945740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:466

約数の個数: 48

約数和(自身を含む): 7221312

約数和(自身を除く): 4275572

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 397, 530, 742, 794, 1060, 1484, 1588, 1855, 1985, 2779, 3710, 3970, 5558, 7420, 7940, 11116, 13895, 21041, 27790, 42082, 55580, 84164, 105205, 147287, 210410, 294574, 420820, 589148, 736435, 1472870, 2945740]

約数ペア:

[(1, 2945740), (2, 1472870), (4, 736435), (5, 589148), (7, 420820), (10, 294574), (14, 210410), (20, 147287), (28, 105205), (35, 84164), (53, 55580), (70, 42082), (106, 27790), (140, 21041), (212, 13895), (265, 11116), (371, 7940), (397, 7420), (530, 5558), (742, 3970), (794, 3710), (1060, 2779), (1484, 1985), (1588, 1855)]