628300

素因数分解:

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

素因数の和:178

約数の個数: 36

約数和(自身を含む): 1399216

約数和(自身を除く): 770916

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 103, 122, 206, 244, 305, 412, 515, 610, 1030, 1220, 1525, 2060, 2575, 3050, 5150, 6100, 6283, 10300, 12566, 25132, 31415, 62830, 125660, 157075, 314150, 628300]

約数ペア:

[(1, 628300), (2, 314150), (4, 157075), (5, 125660), (10, 62830), (20, 31415), (25, 25132), (50, 12566), (61, 10300), (100, 6283), (103, 6100), (122, 5150), (206, 3050), (244, 2575), (305, 2060), (412, 1525), (515, 1220), (610, 1030)]