2898820120

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{4999}}^1$

素因数の和:5145

約数の個数: 128

約数和(自身を含む): 7920000000

約数和(自身を除く): 5021179880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 109, 133, 140, 152, 190, 218, 266, 280, 380, 436, 532, 545, 665, 760, 763, 872, 1064, 1090, 1330, 1526, 2071, 2180, 2660, 3052, 3815, 4142, 4360, 4999, 5320, 6104, 7630, 8284, 9998, 10355, 14497, 15260, 16568, 19996, 20710, 24995, 28994, 30520, 34993, 39992, 41420, 49990, 57988, 69986, 72485, 82840, 94981, 99980, 115976, 139972, 144970, 174965, 189962, 199960, 279944, 289940, 349930, 379924, 474905, 544891, 579880, 664867, 699860, 759848, 949810, 1089782, 1329734, 1399720, 1899620, 2179564, 2659468, 2724455, 3324335, 3799240, 3814237, 4359128, 5318936, 5448910, 6648670, 7628474, 10352929, 10897820, 13297340, 15256948, 19071185, 20705858, 21795640, 26594680, 30513896, 38142370, 41411716, 51764645, 72470503, 76284740, 82823432, 103529290, 144941006, 152569480, 207058580, 289882012, 362352515, 414117160, 579764024, 724705030, 1449410060, 2898820120]

約数ペア:

[(1, 2898820120), (2, 1449410060), (4, 724705030), (5, 579764024), (7, 414117160), (8, 362352515), (10, 289882012), (14, 207058580), (19, 152569480), (20, 144941006), (28, 103529290), (35, 82823432), (38, 76284740), (40, 72470503), (56, 51764645), (70, 41411716), (76, 38142370), (95, 30513896), (109, 26594680), (133, 21795640), (140, 20705858), (152, 19071185), (190, 15256948), (218, 13297340), (266, 10897820), (280, 10352929), (380, 7628474), (436, 6648670), (532, 5448910), (545, 5318936), (665, 4359128), (760, 3814237), (763, 3799240), (872, 3324335), (1064, 2724455), (1090, 2659468), (1330, 2179564), (1526, 1899620), (2071, 1399720), (2180, 1329734), (2660, 1089782), (3052, 949810), (3815, 759848), (4142, 699860), (4360, 664867), (4999, 579880), (5320, 544891), (6104, 474905), (7630, 379924), (8284, 349930), (9998, 289940), (10355, 279944), (14497, 199960), (15260, 189962), (16568, 174965), (19996, 144970), (20710, 139972), (24995, 115976), (28994, 99980), (30520, 94981), (34993, 82840), (39992, 72485), (41420, 69986), (49990, 57988)]