9744140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{61}}^1\times {\mathrm{163}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 24342192

約数和(自身を除く): 14598052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 61, 70, 98, 122, 140, 163, 196, 244, 245, 305, 326, 427, 490, 610, 652, 815, 854, 980, 1141, 1220, 1630, 1708, 2135, 2282, 2989, 3260, 4270, 4564, 5705, 5978, 7987, 8540, 9943, 11410, 11956, 14945, 15974, 19886, 22820, 29890, 31948, 39772, 39935, 49715, 59780, 69601, 79870, 99430, 139202, 159740, 198860, 278404, 348005, 487207, 696010, 974414, 1392020, 1948828, 2436035, 4872070, 9744140]

約数ペア:

[(1, 9744140), (2, 4872070), (4, 2436035), (5, 1948828), (7, 1392020), (10, 974414), (14, 696010), (20, 487207), (28, 348005), (35, 278404), (49, 198860), (61, 159740), (70, 139202), (98, 99430), (122, 79870), (140, 69601), (163, 59780), (196, 49715), (244, 39935), (245, 39772), (305, 31948), (326, 29890), (427, 22820), (490, 19886), (610, 15974), (652, 14945), (815, 11956), (854, 11410), (980, 9943), (1141, 8540), (1220, 7987), (1630, 5978), (1708, 5705), (2135, 4564), (2282, 4270), (2989, 3260)]