2018703590

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1\times {\mathrm{1811}}^1$

素因数の和:1997

約数の個数: 64

約数和(自身を含む): 3945231360

約数和(自身を除く): 1926527770

約数列:

[1, 2, 5, 10, 17, 34, 79, 83, 85, 158, 166, 170, 395, 415, 790, 830, 1343, 1411, 1811, 2686, 2822, 3622, 6557, 6715, 7055, 9055, 13114, 13430, 14110, 18110, 30787, 32785, 61574, 65570, 111469, 143069, 150313, 153935, 222938, 286138, 300626, 307870, 557345, 715345, 751565, 1114690, 1430690, 1503130, 2432173, 2555321, 4864346, 5110642, 11874727, 12160865, 12776605, 23749454, 24321730, 25553210, 59373635, 118747270, 201870359, 403740718, 1009351795, 2018703590]

約数ペア:

[(1, 2018703590), (2, 1009351795), (5, 403740718), (10, 201870359), (17, 118747270), (34, 59373635), (79, 25553210), (83, 24321730), (85, 23749454), (158, 12776605), (166, 12160865), (170, 11874727), (395, 5110642), (415, 4864346), (790, 2555321), (830, 2432173), (1343, 1503130), (1411, 1430690), (1811, 1114690), (2686, 751565), (2822, 715345), (3622, 557345), (6557, 307870), (6715, 300626), (7055, 286138), (9055, 222938), (13114, 153935), (13430, 150313), (14110, 143069), (18110, 111469), (30787, 65570), (32785, 61574)]