248558440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{443}}^1$

素因数の和:563

約数の個数: 96

約数和(自身を含む): 614265120

約数和(自身を除く): 365706680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 83, 104, 130, 166, 169, 260, 332, 338, 415, 443, 520, 664, 676, 830, 845, 886, 1079, 1352, 1660, 1690, 1772, 2158, 2215, 3320, 3380, 3544, 4316, 4430, 5395, 5759, 6760, 8632, 8860, 10790, 11518, 14027, 17720, 21580, 23036, 28054, 28795, 36769, 43160, 46072, 56108, 57590, 70135, 73538, 74867, 112216, 115180, 140270, 147076, 149734, 183845, 230360, 280540, 294152, 299468, 367690, 374335, 477997, 561080, 598936, 735380, 748670, 955994, 1470760, 1497340, 1911988, 2389985, 2994680, 3823976, 4779970, 6213961, 9559940, 12427922, 19119880, 24855844, 31069805, 49711688, 62139610, 124279220, 248558440]

約数ペア:

[(1, 248558440), (2, 124279220), (4, 62139610), (5, 49711688), (8, 31069805), (10, 24855844), (13, 19119880), (20, 12427922), (26, 9559940), (40, 6213961), (52, 4779970), (65, 3823976), (83, 2994680), (104, 2389985), (130, 1911988), (166, 1497340), (169, 1470760), (260, 955994), (332, 748670), (338, 735380), (415, 598936), (443, 561080), (520, 477997), (664, 374335), (676, 367690), (830, 299468), (845, 294152), (886, 280540), (1079, 230360), (1352, 183845), (1660, 149734), (1690, 147076), (1772, 140270), (2158, 115180), (2215, 112216), (3320, 74867), (3380, 73538), (3544, 70135), (4316, 57590), (4430, 56108), (5395, 46072), (5759, 43160), (6760, 36769), (8632, 28795), (8860, 28054), (10790, 23036), (11518, 21580), (14027, 17720)]