40371287020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{1193}}^1$

素因数の和:1392

約数の個数: 144

約数和(自身を含む): 92474917920

約数和(自身を除く): 52103630900

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 109, 172, 190, 215, 218, 361, 380, 430, 436, 545, 722, 817, 860, 1090, 1193, 1444, 1634, 1805, 2071, 2180, 2386, 3268, 3610, 4085, 4142, 4687, 4772, 5965, 7220, 8170, 8284, 9374, 10355, 11930, 15523, 16340, 18748, 20710, 22667, 23435, 23860, 31046, 39349, 41420, 45334, 46870, 51299, 62092, 77615, 78698, 89053, 90668, 93740, 102598, 113335, 130037, 155230, 157396, 178106, 196745, 205196, 226670, 256495, 260074, 310460, 356212, 393490, 430673, 445265, 453340, 512990, 520148, 650185, 786980, 861346, 890530, 974681, 1025980, 1300370, 1692007, 1722692, 1781060, 1949362, 2153365, 2470703, 2600740, 3384014, 3898724, 4306730, 4873405, 4941406, 5591591, 6768028, 8460035, 8613460, 9746810, 9882812, 11183182, 12353515, 16920070, 18518939, 19493620, 22366364, 24707030, 27957955, 33840140, 37037878, 46943357, 49414060, 55915910, 74075756, 92594695, 93886714, 106240229, 111831820, 185189390, 187773428, 212480458, 234716785, 370378780, 424960916, 469433570, 531201145, 938867140, 1062402290, 2018564351, 2124804580, 4037128702, 8074257404, 10092821755, 20185643510, 40371287020]

約数ペア:

[(1, 40371287020), (2, 20185643510), (4, 10092821755), (5, 8074257404), (10, 4037128702), (19, 2124804580), (20, 2018564351), (38, 1062402290), (43, 938867140), (76, 531201145), (86, 469433570), (95, 424960916), (109, 370378780), (172, 234716785), (190, 212480458), (215, 187773428), (218, 185189390), (361, 111831820), (380, 106240229), (430, 93886714), (436, 92594695), (545, 74075756), (722, 55915910), (817, 49414060), (860, 46943357), (1090, 37037878), (1193, 33840140), (1444, 27957955), (1634, 24707030), (1805, 22366364), (2071, 19493620), (2180, 18518939), (2386, 16920070), (3268, 12353515), (3610, 11183182), (4085, 9882812), (4142, 9746810), (4687, 8613460), (4772, 8460035), (5965, 6768028), (7220, 5591591), (8170, 4941406), (8284, 4873405), (9374, 4306730), (10355, 3898724), (11930, 3384014), (15523, 2600740), (16340, 2470703), (18748, 2153365), (20710, 1949362), (22667, 1781060), (23435, 1722692), (23860, 1692007), (31046, 1300370), (39349, 1025980), (41420, 974681), (45334, 890530), (46870, 861346), (51299, 786980), (62092, 650185), (77615, 520148), (78698, 512990), (89053, 453340), (90668, 445265), (93740, 430673), (102598, 393490), (113335, 356212), (130037, 310460), (155230, 260074), (157396, 256495), (178106, 226670), (196745, 205196)]