2008507060

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{25943}}^1$

素因数の和:26045

約数の個数: 72

約数和(自身を含む): 4968794880

約数和(自身を除く): 2960287820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 79, 98, 140, 158, 196, 245, 316, 395, 490, 553, 790, 980, 1106, 1580, 2212, 2765, 3871, 5530, 7742, 11060, 15484, 19355, 25943, 38710, 51886, 77420, 103772, 129715, 181601, 259430, 363202, 518860, 726404, 908005, 1271207, 1816010, 2049497, 2542414, 3632020, 4098994, 5084828, 6356035, 8197988, 10247485, 12712070, 14346479, 20494970, 25424140, 28692958, 40989940, 57385916, 71732395, 100425353, 143464790, 200850706, 286929580, 401701412, 502126765, 1004253530, 2008507060]

約数ペア:

[(1, 2008507060), (2, 1004253530), (4, 502126765), (5, 401701412), (7, 286929580), (10, 200850706), (14, 143464790), (20, 100425353), (28, 71732395), (35, 57385916), (49, 40989940), (70, 28692958), (79, 25424140), (98, 20494970), (140, 14346479), (158, 12712070), (196, 10247485), (245, 8197988), (316, 6356035), (395, 5084828), (490, 4098994), (553, 3632020), (790, 2542414), (980, 2049497), (1106, 1816010), (1580, 1271207), (2212, 908005), (2765, 726404), (3871, 518860), (5530, 363202), (7742, 259430), (11060, 181601), (15484, 129715), (19355, 103772), (25943, 77420), (38710, 51886)]