515450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^2\times {\mathrm{61}}^1$

素因数の和:99

約数の個数: 36

約数和(自身を含む): 1055178

約数和(自身を除く): 539728

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 61, 65, 122, 130, 169, 305, 325, 338, 610, 650, 793, 845, 1525, 1586, 1690, 3050, 3965, 4225, 7930, 8450, 10309, 19825, 20618, 39650, 51545, 103090, 257725, 515450]

約数ペア:

[(1, 515450), (2, 257725), (5, 103090), (10, 51545), (13, 39650), (25, 20618), (26, 19825), (50, 10309), (61, 8450), (65, 7930), (122, 4225), (130, 3965), (169, 3050), (305, 1690), (325, 1586), (338, 1525), (610, 845), (650, 793)]