1913565560

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{433}}^1$

素因数の和:625

約数の個数: 128

約数和(自身を含む): 4685325120

約数和(自身を除く): 2771759560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 67, 68, 85, 97, 134, 136, 170, 194, 268, 335, 340, 388, 433, 485, 536, 670, 680, 776, 866, 970, 1139, 1340, 1649, 1732, 1940, 2165, 2278, 2680, 3298, 3464, 3880, 4330, 4556, 5695, 6499, 6596, 7361, 8245, 8660, 9112, 11390, 12998, 13192, 14722, 16490, 17320, 22780, 25996, 29011, 29444, 32495, 32980, 36805, 42001, 45560, 51992, 58022, 58888, 64990, 65960, 73610, 84002, 110483, 116044, 129980, 145055, 147220, 168004, 210005, 220966, 232088, 259960, 290110, 294440, 336008, 420010, 441932, 493187, 552415, 580220, 714017, 840020, 883864, 986374, 1104830, 1160440, 1428034, 1680040, 1972748, 2209660, 2465935, 2814067, 2856068, 3570085, 3945496, 4419320, 4931870, 5628134, 5712136, 7140170, 9863740, 11256268, 14070335, 14280340, 19727480, 22512536, 28140670, 28560680, 47839139, 56281340, 95678278, 112562680, 191356556, 239195695, 382713112, 478391390, 956782780, 1913565560]

約数ペア:

[(1, 1913565560), (2, 956782780), (4, 478391390), (5, 382713112), (8, 239195695), (10, 191356556), (17, 112562680), (20, 95678278), (34, 56281340), (40, 47839139), (67, 28560680), (68, 28140670), (85, 22512536), (97, 19727480), (134, 14280340), (136, 14070335), (170, 11256268), (194, 9863740), (268, 7140170), (335, 5712136), (340, 5628134), (388, 4931870), (433, 4419320), (485, 3945496), (536, 3570085), (670, 2856068), (680, 2814067), (776, 2465935), (866, 2209660), (970, 1972748), (1139, 1680040), (1340, 1428034), (1649, 1160440), (1732, 1104830), (1940, 986374), (2165, 883864), (2278, 840020), (2680, 714017), (3298, 580220), (3464, 552415), (3880, 493187), (4330, 441932), (4556, 420010), (5695, 336008), (6499, 294440), (6596, 290110), (7361, 259960), (8245, 232088), (8660, 220966), (9112, 210005), (11390, 168004), (12998, 147220), (13192, 145055), (14722, 129980), (16490, 116044), (17320, 110483), (22780, 84002), (25996, 73610), (29011, 65960), (29444, 64990), (32495, 58888), (32980, 58022), (36805, 51992), (42001, 45560)]