3141500

素因数分解:

$2^2\times 5^3\times {\mathrm{61}}^1\times {\mathrm{103}}^1$

素因数の和:183

約数の個数: 48

約数和(自身を含む): 7041216

約数和(自身を除く): 3899716

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 103, 122, 125, 206, 244, 250, 305, 412, 500, 515, 610, 1030, 1220, 1525, 2060, 2575, 3050, 5150, 6100, 6283, 7625, 10300, 12566, 12875, 15250, 25132, 25750, 30500, 31415, 51500, 62830, 125660, 157075, 314150, 628300, 785375, 1570750, 3141500]

約数ペア:

[(1, 3141500), (2, 1570750), (4, 785375), (5, 628300), (10, 314150), (20, 157075), (25, 125660), (50, 62830), (61, 51500), (100, 31415), (103, 30500), (122, 25750), (125, 25132), (206, 15250), (244, 12875), (250, 12566), (305, 10300), (412, 7625), (500, 6283), (515, 6100), (610, 5150), (1030, 3050), (1220, 2575), (1525, 2060)]