508720520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:859

約数の個数: 128

約数和(自身を含む): 1434240000

約数和(自身を除く): 925519480

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 331, 385, 440, 499, 616, 662, 770, 998, 1324, 1540, 1655, 1996, 2317, 2495, 2648, 3080, 3310, 3493, 3641, 3992, 4634, 4990, 5489, 6620, 6986, 7282, 9268, 9980, 10978, 11585, 13240, 13972, 14564, 17465, 18205, 18536, 19960, 21956, 23170, 25487, 27445, 27944, 29128, 34930, 36410, 38423, 43912, 46340, 50974, 54890, 69860, 72820, 76846, 92680, 101948, 109780, 127435, 139720, 145640, 153692, 165169, 192115, 203896, 219560, 254870, 307384, 330338, 384230, 509740, 660676, 768460, 825845, 1019480, 1156183, 1321352, 1536920, 1651690, 1816859, 2312366, 3303380, 3633718, 4624732, 5780915, 6606760, 7267436, 9084295, 9249464, 11561830, 12718013, 14534872, 18168590, 23123660, 25436026, 36337180, 46247320, 50872052, 63590065, 72674360, 101744104, 127180130, 254360260, 508720520]

約数ペア:

[(1, 508720520), (2, 254360260), (4, 127180130), (5, 101744104), (7, 72674360), (8, 63590065), (10, 50872052), (11, 46247320), (14, 36337180), (20, 25436026), (22, 23123660), (28, 18168590), (35, 14534872), (40, 12718013), (44, 11561830), (55, 9249464), (56, 9084295), (70, 7267436), (77, 6606760), (88, 5780915), (110, 4624732), (140, 3633718), (154, 3303380), (220, 2312366), (280, 1816859), (308, 1651690), (331, 1536920), (385, 1321352), (440, 1156183), (499, 1019480), (616, 825845), (662, 768460), (770, 660676), (998, 509740), (1324, 384230), (1540, 330338), (1655, 307384), (1996, 254870), (2317, 219560), (2495, 203896), (2648, 192115), (3080, 165169), (3310, 153692), (3493, 145640), (3641, 139720), (3992, 127435), (4634, 109780), (4990, 101948), (5489, 92680), (6620, 76846), (6986, 72820), (7282, 69860), (9268, 54890), (9980, 50974), (10978, 46340), (11585, 43912), (13240, 38423), (13972, 36410), (14564, 34930), (17465, 29128), (18205, 27944), (18536, 27445), (19960, 25487), (21956, 23170)]