1888188080

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{463}}^1\times {\mathrm{2683}}^1$

素因数の和:3178

約数の個数: 80

約数和(自身を含む): 4632798720

約数和(自身を除く): 2744610640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 463, 760, 926, 1520, 1852, 2315, 2683, 3704, 4630, 5366, 7408, 8797, 9260, 10732, 13415, 17594, 18520, 21464, 26830, 35188, 37040, 42928, 43985, 50977, 53660, 70376, 87970, 101954, 107320, 140752, 175940, 203908, 214640, 254885, 351880, 407816, 509770, 703760, 815632, 1019540, 1242229, 2039080, 2484458, 4078160, 4968916, 6211145, 9937832, 12422290, 19875664, 23602351, 24844580, 47204702, 49689160, 94409404, 99378320, 118011755, 188818808, 236023510, 377637616, 472047020, 944094040, 1888188080]

約数ペア:

[(1, 1888188080), (2, 944094040), (4, 472047020), (5, 377637616), (8, 236023510), (10, 188818808), (16, 118011755), (19, 99378320), (20, 94409404), (38, 49689160), (40, 47204702), (76, 24844580), (80, 23602351), (95, 19875664), (152, 12422290), (190, 9937832), (304, 6211145), (380, 4968916), (463, 4078160), (760, 2484458), (926, 2039080), (1520, 1242229), (1852, 1019540), (2315, 815632), (2683, 703760), (3704, 509770), (4630, 407816), (5366, 351880), (7408, 254885), (8797, 214640), (9260, 203908), (10732, 175940), (13415, 140752), (17594, 107320), (18520, 101954), (21464, 87970), (26830, 70376), (35188, 53660), (37040, 50977), (42928, 43985)]