4991300

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:141

約数の個数: 72

約数和(自身を含む): 11874240

約数和(自身を除く): 6882940

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 50, 71, 74, 76, 95, 100, 142, 148, 185, 190, 284, 355, 370, 380, 475, 703, 710, 740, 925, 950, 1349, 1406, 1420, 1775, 1850, 1900, 2627, 2698, 2812, 3515, 3550, 3700, 5254, 5396, 6745, 7030, 7100, 10508, 13135, 13490, 14060, 17575, 26270, 26980, 33725, 35150, 49913, 52540, 65675, 67450, 70300, 99826, 131350, 134900, 199652, 249565, 262700, 499130, 998260, 1247825, 2495650, 4991300]

約数ペア:

[(1, 4991300), (2, 2495650), (4, 1247825), (5, 998260), (10, 499130), (19, 262700), (20, 249565), (25, 199652), (37, 134900), (38, 131350), (50, 99826), (71, 70300), (74, 67450), (76, 65675), (95, 52540), (100, 49913), (142, 35150), (148, 33725), (185, 26980), (190, 26270), (284, 17575), (355, 14060), (370, 13490), (380, 13135), (475, 10508), (703, 7100), (710, 7030), (740, 6745), (925, 5396), (950, 5254), (1349, 3700), (1406, 3550), (1420, 3515), (1775, 2812), (1850, 2698), (1900, 2627)]