386226880

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{409}}^1$

素因数の和:666

約数の個数: 112

約数和(自身を含む): 997244640

約数和(自身を除く): 611017760

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 227, 260, 320, 409, 416, 454, 520, 818, 832, 908, 1040, 1135, 1636, 1816, 2045, 2080, 2270, 2951, 3272, 3632, 4090, 4160, 4540, 5317, 5902, 6544, 7264, 8180, 9080, 10634, 11804, 13088, 14528, 14755, 16360, 18160, 21268, 23608, 26176, 26585, 29510, 32720, 36320, 42536, 47216, 53170, 59020, 65440, 72640, 85072, 92843, 94432, 106340, 118040, 130880, 170144, 185686, 188864, 212680, 236080, 340288, 371372, 425360, 464215, 472160, 742744, 850720, 928430, 944320, 1206959, 1485488, 1701440, 1856860, 2413918, 2970976, 3713720, 4827836, 5941952, 6034795, 7427440, 9655672, 12069590, 14854880, 19311344, 24139180, 29709760, 38622688, 48278360, 77245376, 96556720, 193113440, 386226880]

約数ペア:

[(1, 386226880), (2, 193113440), (4, 96556720), (5, 77245376), (8, 48278360), (10, 38622688), (13, 29709760), (16, 24139180), (20, 19311344), (26, 14854880), (32, 12069590), (40, 9655672), (52, 7427440), (64, 6034795), (65, 5941952), (80, 4827836), (104, 3713720), (130, 2970976), (160, 2413918), (208, 1856860), (227, 1701440), (260, 1485488), (320, 1206959), (409, 944320), (416, 928430), (454, 850720), (520, 742744), (818, 472160), (832, 464215), (908, 425360), (1040, 371372), (1135, 340288), (1636, 236080), (1816, 212680), (2045, 188864), (2080, 185686), (2270, 170144), (2951, 130880), (3272, 118040), (3632, 106340), (4090, 94432), (4160, 92843), (4540, 85072), (5317, 72640), (5902, 65440), (6544, 59020), (7264, 53170), (8180, 47216), (9080, 42536), (10634, 36320), (11804, 32720), (13088, 29510), (14528, 26585), (14755, 26176), (16360, 23608), (18160, 21268)]