408070025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{433}}^1$

素因数の和:626

約数の個数: 48

約数和(自身を含む): 581212800

約数和(自身を除く): 173142775

約数列:

[1, 5, 11, 23, 25, 55, 115, 149, 253, 275, 433, 575, 745, 1265, 1639, 2165, 3427, 3725, 4763, 6325, 8195, 9959, 10825, 17135, 23815, 37697, 40975, 49795, 64517, 85675, 109549, 119075, 188485, 248975, 322585, 547745, 709687, 942425, 1483891, 1612925, 2738725, 3548435, 7419455, 16322801, 17742175, 37097275, 81614005, 408070025]

約数ペア:

[(1, 408070025), (5, 81614005), (11, 37097275), (23, 17742175), (25, 16322801), (55, 7419455), (115, 3548435), (149, 2738725), (253, 1612925), (275, 1483891), (433, 942425), (575, 709687), (745, 547745), (1265, 322585), (1639, 248975), (2165, 188485), (3427, 119075), (3725, 109549), (4763, 85675), (6325, 64517), (8195, 49795), (9959, 40975), (10825, 37697), (17135, 23815)]