1899990

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1$

素因数の和:274

約数の個数: 64

約数和(自身を含む): 5253120

約数和(自身を除く): 3353130

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 227, 270, 279, 310, 454, 465, 558, 681, 837, 930, 1135, 1362, 1395, 1674, 2043, 2270, 2790, 3405, 4086, 4185, 6129, 6810, 7037, 8370, 10215, 12258, 14074, 20430, 21111, 30645, 35185, 42222, 61290, 63333, 70370, 105555, 126666, 189999, 211110, 316665, 379998, 633330, 949995, 1899990]

約数ペア:

[(1, 1899990), (2, 949995), (3, 633330), (5, 379998), (6, 316665), (9, 211110), (10, 189999), (15, 126666), (18, 105555), (27, 70370), (30, 63333), (31, 61290), (45, 42222), (54, 35185), (62, 30645), (90, 21111), (93, 20430), (135, 14074), (155, 12258), (186, 10215), (227, 8370), (270, 7037), (279, 6810), (310, 6129), (454, 4185), (465, 4086), (558, 3405), (681, 2790), (837, 2270), (930, 2043), (1135, 1674), (1362, 1395)]