1996173680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:451

約数の個数: 160

約数和(自身を含む): 5038070400

約数和(自身を除く): 3041896720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 37, 40, 46, 74, 80, 92, 109, 115, 148, 184, 185, 218, 230, 269, 296, 368, 370, 436, 460, 538, 545, 592, 740, 851, 872, 920, 1076, 1090, 1345, 1480, 1702, 1744, 1840, 2152, 2180, 2507, 2690, 2960, 3404, 4033, 4255, 4304, 4360, 5014, 5380, 6187, 6808, 8066, 8510, 8720, 9953, 10028, 10760, 12374, 12535, 13616, 16132, 17020, 19906, 20056, 20165, 21520, 24748, 25070, 29321, 30935, 32264, 34040, 39812, 40112, 40330, 49496, 49765, 50140, 58642, 61870, 64528, 68080, 79624, 80660, 92759, 98992, 99530, 100280, 117284, 123740, 146605, 159248, 161320, 185518, 199060, 200560, 228919, 234568, 247480, 293210, 322640, 371036, 398120, 457838, 463795, 469136, 494960, 586420, 674383, 742072, 796240, 915676, 927590, 1084877, 1144595, 1172840, 1348766, 1484144, 1831352, 1855180, 2169754, 2289190, 2345680, 2697532, 3371915, 3662704, 3710360, 4339508, 4578380, 5395064, 5424385, 6743830, 7420720, 8679016, 9156760, 10790128, 10848770, 13487660, 17358032, 18313520, 21697540, 24952171, 26975320, 43395080, 49904342, 53950640, 86790160, 99808684, 124760855, 199617368, 249521710, 399234736, 499043420, 998086840, 1996173680]

約数ペア:

[(1, 1996173680), (2, 998086840), (4, 499043420), (5, 399234736), (8, 249521710), (10, 199617368), (16, 124760855), (20, 99808684), (23, 86790160), (37, 53950640), (40, 49904342), (46, 43395080), (74, 26975320), (80, 24952171), (92, 21697540), (109, 18313520), (115, 17358032), (148, 13487660), (184, 10848770), (185, 10790128), (218, 9156760), (230, 8679016), (269, 7420720), (296, 6743830), (368, 5424385), (370, 5395064), (436, 4578380), (460, 4339508), (538, 3710360), (545, 3662704), (592, 3371915), (740, 2697532), (851, 2345680), (872, 2289190), (920, 2169754), (1076, 1855180), (1090, 1831352), (1345, 1484144), (1480, 1348766), (1702, 1172840), (1744, 1144595), (1840, 1084877), (2152, 927590), (2180, 915676), (2507, 796240), (2690, 742072), (2960, 674383), (3404, 586420), (4033, 494960), (4255, 469136), (4304, 463795), (4360, 457838), (5014, 398120), (5380, 371036), (6187, 322640), (6808, 293210), (8066, 247480), (8510, 234568), (8720, 228919), (9953, 200560), (10028, 199060), (10760, 185518), (12374, 161320), (12535, 159248), (13616, 146605), (16132, 123740), (17020, 117284), (19906, 100280), (20056, 99530), (20165, 98992), (21520, 92759), (24748, 80660), (25070, 79624), (29321, 68080), (30935, 64528), (32264, 61870), (34040, 58642), (39812, 50140), (40112, 49765), (40330, 49496)]