4890180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{547}}^1$

素因数の和:708

約数の個数: 48

約数和(自身を含む): 13809600

約数和(自身を除く): 8919420

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 149, 298, 447, 547, 596, 745, 894, 1094, 1490, 1641, 1788, 2188, 2235, 2735, 2980, 3282, 4470, 5470, 6564, 8205, 8940, 10940, 16410, 32820, 81503, 163006, 244509, 326012, 407515, 489018, 815030, 978036, 1222545, 1630060, 2445090, 4890180]

約数ペア:

[(1, 4890180), (2, 2445090), (3, 1630060), (4, 1222545), (5, 978036), (6, 815030), (10, 489018), (12, 407515), (15, 326012), (20, 244509), (30, 163006), (60, 81503), (149, 32820), (298, 16410), (447, 10940), (547, 8940), (596, 8205), (745, 6564), (894, 5470), (1094, 4470), (1490, 3282), (1641, 2980), (1788, 2735), (2188, 2235)]