1213219240

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{293}}^1\times {\mathrm{1697}}^1$

素因数の和:2062

約数の個数: 64

約数和(自身を含む): 2785602960

約数和(自身を除く): 1572383720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 293, 305, 488, 586, 610, 1172, 1220, 1465, 1697, 2344, 2440, 2930, 3394, 5860, 6788, 8485, 11720, 13576, 16970, 17873, 33940, 35746, 67880, 71492, 89365, 103517, 142984, 178730, 207034, 357460, 414068, 497221, 517585, 714920, 828136, 994442, 1035170, 1988884, 2070340, 2486105, 3977768, 4140680, 4972210, 9944420, 19888840, 30330481, 60660962, 121321924, 151652405, 242643848, 303304810, 606609620, 1213219240]

約数ペア:

[(1, 1213219240), (2, 606609620), (4, 303304810), (5, 242643848), (8, 151652405), (10, 121321924), (20, 60660962), (40, 30330481), (61, 19888840), (122, 9944420), (244, 4972210), (293, 4140680), (305, 3977768), (488, 2486105), (586, 2070340), (610, 1988884), (1172, 1035170), (1220, 994442), (1465, 828136), (1697, 714920), (2344, 517585), (2440, 497221), (2930, 414068), (3394, 357460), (5860, 207034), (6788, 178730), (8485, 142984), (11720, 103517), (13576, 89365), (16970, 71492), (17873, 67880), (33940, 35746)]