1680200

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:318

約数の個数: 48

約数和(自身を含む): 4047360

約数和(自身を除く): 2367160

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 50, 62, 100, 124, 155, 200, 248, 271, 310, 542, 620, 775, 1084, 1240, 1355, 1550, 2168, 2710, 3100, 5420, 6200, 6775, 8401, 10840, 13550, 16802, 27100, 33604, 42005, 54200, 67208, 84010, 168020, 210025, 336040, 420050, 840100, 1680200]

約数ペア:

[(1, 1680200), (2, 840100), (4, 420050), (5, 336040), (8, 210025), (10, 168020), (20, 84010), (25, 67208), (31, 54200), (40, 42005), (50, 33604), (62, 27100), (100, 16802), (124, 13550), (155, 10840), (200, 8401), (248, 6775), (271, 6200), (310, 5420), (542, 3100), (620, 2710), (775, 2168), (1084, 1550), (1240, 1355)]