201460280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{521}}^1\times {\mathrm{1381}}^1$

素因数の和:1920

約数の個数: 64

約数和(自身を含む): 519410880

約数和(自身を除く): 317950600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 521, 1042, 1381, 2084, 2605, 2762, 3647, 4168, 5210, 5524, 6905, 7294, 9667, 10420, 11048, 13810, 14588, 18235, 19334, 20840, 27620, 29176, 36470, 38668, 48335, 55240, 72940, 77336, 96670, 145880, 193340, 386680, 719501, 1439002, 2878004, 3597505, 5036507, 5756008, 7195010, 10073014, 14390020, 20146028, 25182535, 28780040, 40292056, 50365070, 100730140, 201460280]

約数ペア:

[(1, 201460280), (2, 100730140), (4, 50365070), (5, 40292056), (7, 28780040), (8, 25182535), (10, 20146028), (14, 14390020), (20, 10073014), (28, 7195010), (35, 5756008), (40, 5036507), (56, 3597505), (70, 2878004), (140, 1439002), (280, 719501), (521, 386680), (1042, 193340), (1381, 145880), (2084, 96670), (2605, 77336), (2762, 72940), (3647, 55240), (4168, 48335), (5210, 38668), (5524, 36470), (6905, 29176), (7294, 27620), (9667, 20840), (10420, 19334), (11048, 18235), (13810, 14588)]