217460970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25981}}^1$

素因数の和:26028

約数の個数: 64

約数和(自身を含む): 598625280

約数和(自身を除く): 381164310

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 54, 62, 90, 93, 135, 155, 186, 270, 279, 310, 465, 558, 837, 930, 1395, 1674, 2790, 4185, 8370, 25981, 51962, 77943, 129905, 155886, 233829, 259810, 389715, 467658, 701487, 779430, 805411, 1169145, 1402974, 1610822, 2338290, 2416233, 3507435, 4027055, 4832466, 7014870, 7248699, 8054110, 12081165, 14497398, 21746097, 24162330, 36243495, 43492194, 72486990, 108730485, 217460970]

約数ペア:

[(1, 217460970), (2, 108730485), (3, 72486990), (5, 43492194), (6, 36243495), (9, 24162330), (10, 21746097), (15, 14497398), (18, 12081165), (27, 8054110), (30, 7248699), (31, 7014870), (45, 4832466), (54, 4027055), (62, 3507435), (90, 2416233), (93, 2338290), (135, 1610822), (155, 1402974), (186, 1169145), (270, 805411), (279, 779430), (310, 701487), (465, 467658), (558, 389715), (837, 259810), (930, 233829), (1395, 155886), (1674, 129905), (2790, 77943), (4185, 51962), (8370, 25981)]