42338840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{113}}^1$

素因数の和:189

約数の個数: 128

約数和(自身を含む): 110808000

約数和(自身を除く): 68469160

約数列:

[1, 2, 4, 5, 8, 10, 17, 19, 20, 29, 34, 38, 40, 58, 68, 76, 85, 95, 113, 116, 136, 145, 152, 170, 190, 226, 232, 290, 323, 340, 380, 452, 493, 551, 565, 580, 646, 680, 760, 904, 986, 1102, 1130, 1160, 1292, 1615, 1921, 1972, 2147, 2204, 2260, 2465, 2584, 2755, 3230, 3277, 3842, 3944, 4294, 4408, 4520, 4930, 5510, 6460, 6554, 7684, 8588, 9367, 9605, 9860, 10735, 11020, 12920, 13108, 15368, 16385, 17176, 18734, 19210, 19720, 21470, 22040, 26216, 32770, 36499, 37468, 38420, 42940, 46835, 55709, 62263, 65540, 72998, 74936, 76840, 85880, 93670, 111418, 124526, 131080, 145996, 182495, 187340, 222836, 249052, 278545, 291992, 311315, 364990, 374680, 445672, 498104, 557090, 622630, 729980, 1058471, 1114180, 1245260, 1459960, 2116942, 2228360, 2490520, 4233884, 5292355, 8467768, 10584710, 21169420, 42338840]

約数ペア:

[(1, 42338840), (2, 21169420), (4, 10584710), (5, 8467768), (8, 5292355), (10, 4233884), (17, 2490520), (19, 2228360), (20, 2116942), (29, 1459960), (34, 1245260), (38, 1114180), (40, 1058471), (58, 729980), (68, 622630), (76, 557090), (85, 498104), (95, 445672), (113, 374680), (116, 364990), (136, 311315), (145, 291992), (152, 278545), (170, 249052), (190, 222836), (226, 187340), (232, 182495), (290, 145996), (323, 131080), (340, 124526), (380, 111418), (452, 93670), (493, 85880), (551, 76840), (565, 74936), (580, 72998), (646, 65540), (680, 62263), (760, 55709), (904, 46835), (986, 42940), (1102, 38420), (1130, 37468), (1160, 36499), (1292, 32770), (1615, 26216), (1921, 22040), (1972, 21470), (2147, 19720), (2204, 19210), (2260, 18734), (2465, 17176), (2584, 16385), (2755, 15368), (3230, 13108), (3277, 12920), (3842, 11020), (3944, 10735), (4294, 9860), (4408, 9605), (4520, 9367), (4930, 8588), (5510, 7684), (6460, 6554)]