404647360

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{461}}^1$

素因数の和:702

約数の個数: 112

約数和(自身を含む): 1044866592

約数和(自身を除く): 640219232

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 211, 260, 320, 416, 422, 461, 520, 832, 844, 922, 1040, 1055, 1688, 1844, 2080, 2110, 2305, 2743, 3376, 3688, 4160, 4220, 4610, 5486, 5993, 6752, 7376, 8440, 9220, 10972, 11986, 13504, 13715, 14752, 16880, 18440, 21944, 23972, 27430, 29504, 29965, 33760, 36880, 43888, 47944, 54860, 59930, 67520, 73760, 87776, 95888, 97271, 109720, 119860, 147520, 175552, 191776, 194542, 219440, 239720, 383552, 389084, 438880, 479440, 486355, 778168, 877760, 958880, 972710, 1264523, 1556336, 1917760, 1945420, 2529046, 3112672, 3890840, 5058092, 6225344, 6322615, 7781680, 10116184, 12645230, 15563360, 20232368, 25290460, 31126720, 40464736, 50580920, 80929472, 101161840, 202323680, 404647360]

約数ペア:

[(1, 404647360), (2, 202323680), (4, 101161840), (5, 80929472), (8, 50580920), (10, 40464736), (13, 31126720), (16, 25290460), (20, 20232368), (26, 15563360), (32, 12645230), (40, 10116184), (52, 7781680), (64, 6322615), (65, 6225344), (80, 5058092), (104, 3890840), (130, 3112672), (160, 2529046), (208, 1945420), (211, 1917760), (260, 1556336), (320, 1264523), (416, 972710), (422, 958880), (461, 877760), (520, 778168), (832, 486355), (844, 479440), (922, 438880), (1040, 389084), (1055, 383552), (1688, 239720), (1844, 219440), (2080, 194542), (2110, 191776), (2305, 175552), (2743, 147520), (3376, 119860), (3688, 109720), (4160, 97271), (4220, 95888), (4610, 87776), (5486, 73760), (5993, 67520), (6752, 59930), (7376, 54860), (8440, 47944), (9220, 43888), (10972, 36880), (11986, 33760), (13504, 29965), (13715, 29504), (14752, 27430), (16880, 23972), (18440, 21944)]