2988940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 6804000

約数和(自身を除く): 3815060

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 149, 170, 236, 295, 298, 340, 590, 596, 745, 1003, 1180, 1490, 2006, 2533, 2980, 4012, 5015, 5066, 8791, 10030, 10132, 12665, 17582, 20060, 25330, 35164, 43955, 50660, 87910, 149447, 175820, 298894, 597788, 747235, 1494470, 2988940]

約数ペア:

[(1, 2988940), (2, 1494470), (4, 747235), (5, 597788), (10, 298894), (17, 175820), (20, 149447), (34, 87910), (59, 50660), (68, 43955), (85, 35164), (118, 25330), (149, 20060), (170, 17582), (236, 12665), (295, 10132), (298, 10030), (340, 8791), (590, 5066), (596, 5015), (745, 4012), (1003, 2980), (1180, 2533), (1490, 2006)]