538049460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{689807}}^1$

素因数の和:689832

約数の個数: 48

約数和(自身を含む): 1622428416

約数和(自身を除く): 1084378956

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, 689807, 1379614, 2069421, 2759228, 3449035, 4138842, 6898070, 8277684, 8967491, 10347105, 13796140, 17934982, 20694210, 26902473, 35869964, 41388420, 44837455, 53804946, 89674910, 107609892, 134512365, 179349820, 269024730, 538049460]

約数ペア:

[(1, 538049460), (2, 269024730), (3, 179349820), (4, 134512365), (5, 107609892), (6, 89674910), (10, 53804946), (12, 44837455), (13, 41388420), (15, 35869964), (20, 26902473), (26, 20694210), (30, 17934982), (39, 13796140), (52, 10347105), (60, 8967491), (65, 8277684), (78, 6898070), (130, 4138842), (156, 3449035), (195, 2759228), (260, 2069421), (390, 1379614), (780, 689807)]