2019415930

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{397}}^1\times {\mathrm{1483}}^1$

素因数の和:1908

約数の個数: 64

約数和(自身を含む): 4252550400

約数和(自身を除く): 2233134470

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 397, 490, 686, 794, 1483, 1715, 1985, 2779, 2966, 3430, 3970, 5558, 7415, 10381, 13895, 14830, 19453, 20762, 27790, 38906, 51905, 72667, 97265, 103810, 136171, 145334, 194530, 272342, 363335, 508669, 588751, 680855, 726670, 1017338, 1177502, 1361710, 2543345, 2943755, 4121257, 5086690, 5887510, 8242514, 20606285, 28848799, 41212570, 57697598, 144243995, 201941593, 288487990, 403883186, 1009707965, 2019415930]

約数ペア:

[(1, 2019415930), (2, 1009707965), (5, 403883186), (7, 288487990), (10, 201941593), (14, 144243995), (35, 57697598), (49, 41212570), (70, 28848799), (98, 20606285), (245, 8242514), (343, 5887510), (397, 5086690), (490, 4121257), (686, 2943755), (794, 2543345), (1483, 1361710), (1715, 1177502), (1985, 1017338), (2779, 726670), (2966, 680855), (3430, 588751), (3970, 508669), (5558, 363335), (7415, 272342), (10381, 194530), (13895, 145334), (14830, 136171), (19453, 103810), (20762, 97265), (27790, 72667), (38906, 51905)]