998240

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:399

約数の個数: 48

約数和(自身を含む): 2503872

約数和(自身を除く): 1505632

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 367, 544, 680, 734, 1360, 1468, 1835, 2720, 2936, 3670, 5872, 6239, 7340, 11744, 12478, 14680, 24956, 29360, 31195, 49912, 58720, 62390, 99824, 124780, 199648, 249560, 499120, 998240]

約数ペア:

[(1, 998240), (2, 499120), (4, 249560), (5, 199648), (8, 124780), (10, 99824), (16, 62390), (17, 58720), (20, 49912), (32, 31195), (34, 29360), (40, 24956), (68, 14680), (80, 12478), (85, 11744), (136, 7340), (160, 6239), (170, 5872), (272, 3670), (340, 2936), (367, 2720), (544, 1835), (680, 1468), (734, 1360)]