130421320

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{2417}}^1$

素因数の和:2518

約数の個数: 64

約数和(自身を含む): 313372800

約数和(自身を除く): 182951480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 1349, 1420, 2417, 2698, 2840, 4834, 5396, 6745, 9668, 10792, 12085, 13490, 19336, 24170, 26980, 45923, 48340, 53960, 91846, 96680, 171607, 183692, 229615, 343214, 367384, 459230, 686428, 858035, 918460, 1372856, 1716070, 1836920, 3260533, 3432140, 6521066, 6864280, 13042132, 16302665, 26084264, 32605330, 65210660, 130421320]

約数ペア:

[(1, 130421320), (2, 65210660), (4, 32605330), (5, 26084264), (8, 16302665), (10, 13042132), (19, 6864280), (20, 6521066), (38, 3432140), (40, 3260533), (71, 1836920), (76, 1716070), (95, 1372856), (142, 918460), (152, 858035), (190, 686428), (284, 459230), (355, 367384), (380, 343214), (568, 229615), (710, 183692), (760, 171607), (1349, 96680), (1420, 91846), (2417, 53960), (2698, 48340), (2840, 45923), (4834, 26980), (5396, 24170), (6745, 19336), (9668, 13490), (10792, 12085)]