7279420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{199}}^1$

素因数の和:298

約数の個数: 48

約数和(自身を含む): 16128000

約数和(自身を除く): 8848580

約数列:

[1, 2, 4, 5, 10, 20, 31, 59, 62, 118, 124, 155, 199, 236, 295, 310, 398, 590, 620, 796, 995, 1180, 1829, 1990, 3658, 3980, 6169, 7316, 9145, 11741, 12338, 18290, 23482, 24676, 30845, 36580, 46964, 58705, 61690, 117410, 123380, 234820, 363971, 727942, 1455884, 1819855, 3639710, 7279420]

約数ペア:

[(1, 7279420), (2, 3639710), (4, 1819855), (5, 1455884), (10, 727942), (20, 363971), (31, 234820), (59, 123380), (62, 117410), (118, 61690), (124, 58705), (155, 46964), (199, 36580), (236, 30845), (295, 24676), (310, 23482), (398, 18290), (590, 12338), (620, 11741), (796, 9145), (995, 7316), (1180, 6169), (1829, 3980), (1990, 3658)]