201730355

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1$

素因数の和:431

約数の個数: 32

約数和(自身を含む): 259804800

約数和(自身を除く): 58074445

約数列:

[1, 5, 23, 61, 115, 149, 193, 305, 745, 965, 1403, 3427, 4439, 7015, 9089, 11773, 17135, 22195, 28757, 45445, 58865, 143785, 209047, 270779, 661411, 1045235, 1353895, 1754177, 3307055, 8770885, 40346071, 201730355]

約数ペア:

[(1, 201730355), (5, 40346071), (23, 8770885), (61, 3307055), (115, 1754177), (149, 1353895), (193, 1045235), (305, 661411), (745, 270779), (965, 209047), (1403, 143785), (3427, 58865), (4439, 45445), (7015, 28757), (9089, 22195), (11773, 17135)]