68484700

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{109}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 153913760

約数和(自身を除く): 85429060

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 103, 109, 122, 206, 218, 244, 305, 412, 436, 515, 545, 610, 1030, 1090, 1220, 1525, 2060, 2180, 2575, 2725, 3050, 5150, 5450, 6100, 6283, 6649, 10300, 10900, 11227, 12566, 13298, 22454, 25132, 26596, 31415, 33245, 44908, 56135, 62830, 66490, 112270, 125660, 132980, 157075, 166225, 224540, 280675, 314150, 332450, 561350, 628300, 664900, 684847, 1122700, 1369694, 2739388, 3424235, 6848470, 13696940, 17121175, 34242350, 68484700]

約数ペア:

[(1, 68484700), (2, 34242350), (4, 17121175), (5, 13696940), (10, 6848470), (20, 3424235), (25, 2739388), (50, 1369694), (61, 1122700), (100, 684847), (103, 664900), (109, 628300), (122, 561350), (206, 332450), (218, 314150), (244, 280675), (305, 224540), (412, 166225), (436, 157075), (515, 132980), (545, 125660), (610, 112270), (1030, 66490), (1090, 62830), (1220, 56135), (1525, 44908), (2060, 33245), (2180, 31415), (2575, 26596), (2725, 25132), (3050, 22454), (5150, 13298), (5450, 12566), (6100, 11227), (6283, 10900), (6649, 10300)]