30787700

素因数分解:

$2^2\times 5^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{157}}^1$

素因数の和:261

約数の個数: 72

約数和(自身を含む): 70354872

約数和(自身を除く): 39567172

約数列:

[1, 2, 4, 5, 10, 20, 25, 37, 50, 53, 74, 100, 106, 148, 157, 185, 212, 265, 314, 370, 530, 628, 740, 785, 925, 1060, 1325, 1570, 1850, 1961, 2650, 3140, 3700, 3922, 3925, 5300, 5809, 7844, 7850, 8321, 9805, 11618, 15700, 16642, 19610, 23236, 29045, 33284, 39220, 41605, 49025, 58090, 83210, 98050, 116180, 145225, 166420, 196100, 208025, 290450, 307877, 416050, 580900, 615754, 832100, 1231508, 1539385, 3078770, 6157540, 7696925, 15393850, 30787700]

約数ペア:

[(1, 30787700), (2, 15393850), (4, 7696925), (5, 6157540), (10, 3078770), (20, 1539385), (25, 1231508), (37, 832100), (50, 615754), (53, 580900), (74, 416050), (100, 307877), (106, 290450), (148, 208025), (157, 196100), (185, 166420), (212, 145225), (265, 116180), (314, 98050), (370, 83210), (530, 58090), (628, 49025), (740, 41605), (785, 39220), (925, 33284), (1060, 29045), (1325, 23236), (1570, 19610), (1850, 16642), (1961, 15700), (2650, 11618), (3140, 9805), (3700, 8321), (3922, 7850), (3925, 7844), (5300, 5809)]