408896207920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1\times {\mathrm{341179}}^1$

素因数の和:341474

約数の個数: 80

約数和(自身を含む): 968645502720

約数和(自身を除く): 559749294800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 211, 284, 355, 422, 568, 710, 844, 1055, 1136, 1420, 1688, 2110, 2840, 3376, 4220, 5680, 8440, 14981, 16880, 29962, 59924, 74905, 119848, 149810, 239696, 299620, 341179, 599240, 682358, 1198480, 1364716, 1705895, 2729432, 3411790, 5458864, 6823580, 13647160, 24223709, 27294320, 48447418, 71988769, 96894836, 121118545, 143977538, 193789672, 242237090, 287955076, 359943845, 387579344, 484474180, 575910152, 719887690, 968948360, 1151820304, 1439775380, 1937896720, 2879550760, 5111202599, 5759101520, 10222405198, 20444810396, 25556012995, 40889620792, 51112025990, 81779241584, 102224051980, 204448103960, 408896207920]

約数ペア:

[(1, 408896207920), (2, 204448103960), (4, 102224051980), (5, 81779241584), (8, 51112025990), (10, 40889620792), (16, 25556012995), (20, 20444810396), (40, 10222405198), (71, 5759101520), (80, 5111202599), (142, 2879550760), (211, 1937896720), (284, 1439775380), (355, 1151820304), (422, 968948360), (568, 719887690), (710, 575910152), (844, 484474180), (1055, 387579344), (1136, 359943845), (1420, 287955076), (1688, 242237090), (2110, 193789672), (2840, 143977538), (3376, 121118545), (4220, 96894836), (5680, 71988769), (8440, 48447418), (14981, 27294320), (16880, 24223709), (29962, 13647160), (59924, 6823580), (74905, 5458864), (119848, 3411790), (149810, 2729432), (239696, 1705895), (299620, 1364716), (341179, 1198480), (599240, 682358)]