2981430

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:381

約数の個数: 48

約数和(自身を含む): 7838064

約数和(自身を除く): 4856634

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 157, 211, 314, 422, 471, 633, 785, 942, 1055, 1266, 1413, 1570, 1899, 2110, 2355, 2826, 3165, 3798, 4710, 6330, 7065, 9495, 14130, 18990, 33127, 66254, 99381, 165635, 198762, 298143, 331270, 496905, 596286, 993810, 1490715, 2981430]

約数ペア:

[(1, 2981430), (2, 1490715), (3, 993810), (5, 596286), (6, 496905), (9, 331270), (10, 298143), (15, 198762), (18, 165635), (30, 99381), (45, 66254), (90, 33127), (157, 18990), (211, 14130), (314, 9495), (422, 7065), (471, 6330), (633, 4710), (785, 3798), (942, 3165), (1055, 2826), (1266, 2355), (1413, 2110), (1570, 1899)]