4200500

素因数分解:

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

素因数の和:321

約数の個数: 48

約数和(自身を含む): 9504768

約数和(自身を除く): 5304268

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 271, 310, 500, 542, 620, 775, 1084, 1355, 1550, 2710, 3100, 3875, 5420, 6775, 7750, 8401, 13550, 15500, 16802, 27100, 33604, 33875, 42005, 67750, 84010, 135500, 168020, 210025, 420050, 840100, 1050125, 2100250, 4200500]

約数ペア:

[(1, 4200500), (2, 2100250), (4, 1050125), (5, 840100), (10, 420050), (20, 210025), (25, 168020), (31, 135500), (50, 84010), (62, 67750), (100, 42005), (124, 33875), (125, 33604), (155, 27100), (250, 16802), (271, 15500), (310, 13550), (500, 8401), (542, 7750), (620, 6775), (775, 5420), (1084, 3875), (1355, 3100), (1550, 2710)]