3894540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{4993}}^1$

素因数の和:5018

約数の個数: 48

約数和(自身を含む): 11745888

約数和(自身を除く): 7851348

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 4993, 9986, 14979, 19972, 24965, 29958, 49930, 59916, 64909, 74895, 99860, 129818, 149790, 194727, 259636, 299580, 324545, 389454, 649090, 778908, 973635, 1298180, 1947270, 3894540]

約数ペア:

[(1, 3894540), (2, 1947270), (3, 1298180), (4, 973635), (5, 778908), (6, 649090), (10, 389454), (12, 324545), (13, 299580), (15, 259636), (20, 194727), (26, 149790), (30, 129818), (39, 99860), (52, 74895), (60, 64909), (65, 59916), (78, 49930), (130, 29958), (156, 24965), (195, 19972), (260, 14979), (390, 9986), (780, 4993)]