142208840

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{1129}}^1$

素因数の和:1254

約数の個数: 64

約数和(自身を含む): 331948800

約数和(自身を除く): 189739960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 67, 94, 134, 188, 235, 268, 335, 376, 470, 536, 670, 940, 1129, 1340, 1880, 2258, 2680, 3149, 4516, 5645, 6298, 9032, 11290, 12596, 15745, 22580, 25192, 31490, 45160, 53063, 62980, 75643, 106126, 125960, 151286, 212252, 265315, 302572, 378215, 424504, 530630, 605144, 756430, 1061260, 1512860, 2122520, 3025720, 3555221, 7110442, 14220884, 17776105, 28441768, 35552210, 71104420, 142208840]

約数ペア:

[(1, 142208840), (2, 71104420), (4, 35552210), (5, 28441768), (8, 17776105), (10, 14220884), (20, 7110442), (40, 3555221), (47, 3025720), (67, 2122520), (94, 1512860), (134, 1061260), (188, 756430), (235, 605144), (268, 530630), (335, 424504), (376, 378215), (470, 302572), (536, 265315), (670, 212252), (940, 151286), (1129, 125960), (1340, 106126), (1880, 75643), (2258, 62980), (2680, 53063), (3149, 45160), (4516, 31490), (5645, 25192), (6298, 22580), (9032, 15745), (11290, 12596)]