25872490

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{397}}^1$

素因数の和:444

約数の個数: 64

約数和(自身を含む): 57312000

約数和(自身を除く): 31439510

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 343, 397, 490, 665, 686, 794, 931, 1330, 1715, 1862, 1985, 2779, 3430, 3970, 4655, 5558, 6517, 7543, 9310, 13034, 13895, 15086, 19453, 27790, 32585, 37715, 38906, 52801, 65170, 75430, 97265, 105602, 136171, 194530, 264005, 272342, 369607, 528010, 680855, 739214, 1361710, 1848035, 2587249, 3696070, 5174498, 12936245, 25872490]

約数ペア:

[(1, 25872490), (2, 12936245), (5, 5174498), (7, 3696070), (10, 2587249), (14, 1848035), (19, 1361710), (35, 739214), (38, 680855), (49, 528010), (70, 369607), (95, 272342), (98, 264005), (133, 194530), (190, 136171), (245, 105602), (266, 97265), (343, 75430), (397, 65170), (490, 52801), (665, 38906), (686, 37715), (794, 32585), (931, 27790), (1330, 19453), (1715, 15086), (1862, 13895), (1985, 13034), (2779, 9310), (3430, 7543), (3970, 6517), (4655, 5558)]