408044420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{163}}^1\times {\mathrm{17881}}^1$

素因数の和:18060

約数の個数: 48

約数和(自身を含む): 985369728

約数和(自身を除く): 577325308

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 163, 326, 652, 815, 1141, 1630, 2282, 3260, 4564, 5705, 11410, 17881, 22820, 35762, 71524, 89405, 125167, 178810, 250334, 357620, 500668, 625835, 1251670, 2503340, 2914603, 5829206, 11658412, 14573015, 20402221, 29146030, 40804442, 58292060, 81608884, 102011105, 204022210, 408044420]

約数ペア:

[(1, 408044420), (2, 204022210), (4, 102011105), (5, 81608884), (7, 58292060), (10, 40804442), (14, 29146030), (20, 20402221), (28, 14573015), (35, 11658412), (70, 5829206), (140, 2914603), (163, 2503340), (326, 1251670), (652, 625835), (815, 500668), (1141, 357620), (1630, 250334), (2282, 178810), (3260, 125167), (4564, 89405), (5705, 71524), (11410, 35762), (17881, 22820)]