203567440

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{233}}^1$

素因数の和:476

約数の個数: 80

約数和(自身を含む): 485379648

約数和(自身を除く): 281812208

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 163, 233, 268, 326, 335, 466, 536, 652, 670, 815, 932, 1072, 1165, 1304, 1340, 1630, 1864, 2330, 2608, 2680, 3260, 3728, 4660, 5360, 6520, 9320, 10921, 13040, 15611, 18640, 21842, 31222, 37979, 43684, 54605, 62444, 75958, 78055, 87368, 109210, 124888, 151916, 156110, 174736, 189895, 218420, 249776, 303832, 312220, 379790, 436840, 607664, 624440, 759580, 873680, 1248880, 1519160, 2544593, 3038320, 5089186, 10178372, 12722965, 20356744, 25445930, 40713488, 50891860, 101783720, 203567440]

約数ペア:

[(1, 203567440), (2, 101783720), (4, 50891860), (5, 40713488), (8, 25445930), (10, 20356744), (16, 12722965), (20, 10178372), (40, 5089186), (67, 3038320), (80, 2544593), (134, 1519160), (163, 1248880), (233, 873680), (268, 759580), (326, 624440), (335, 607664), (466, 436840), (536, 379790), (652, 312220), (670, 303832), (815, 249776), (932, 218420), (1072, 189895), (1165, 174736), (1304, 156110), (1340, 151916), (1630, 124888), (1864, 109210), (2330, 87368), (2608, 78055), (2680, 75958), (3260, 62444), (3728, 54605), (4660, 43684), (5360, 37979), (6520, 31222), (9320, 21842), (10921, 18640), (13040, 15611)]