2154540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:402

約数の個数: 48

約数和(自身を含む): 6098400

約数和(自身を除く): 3943860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 241, 298, 447, 482, 596, 723, 745, 894, 964, 1205, 1446, 1490, 1788, 2235, 2410, 2892, 2980, 3615, 4470, 4820, 7230, 8940, 14460, 35909, 71818, 107727, 143636, 179545, 215454, 359090, 430908, 538635, 718180, 1077270, 2154540]

約数ペア:

[(1, 2154540), (2, 1077270), (3, 718180), (4, 538635), (5, 430908), (6, 359090), (10, 215454), (12, 179545), (15, 143636), (20, 107727), (30, 71818), (60, 35909), (149, 14460), (241, 8940), (298, 7230), (447, 4820), (482, 4470), (596, 3615), (723, 2980), (745, 2892), (894, 2410), (964, 2235), (1205, 1788), (1446, 1490)]