138880225

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{487}}^1$

素因数の和:586

約数の個数: 48

約数和(自身を含む): 202594176

約数和(自身を除く): 63713951

約数列:

[1, 5, 11, 17, 25, 55, 61, 85, 187, 275, 305, 425, 487, 671, 935, 1037, 1525, 2435, 3355, 4675, 5185, 5357, 8279, 11407, 12175, 16775, 25925, 26785, 29707, 41395, 57035, 91069, 133925, 148535, 206975, 285175, 326777, 455345, 505019, 742675, 1633885, 2276725, 2525095, 5555209, 8169425, 12625475, 27776045, 138880225]

約数ペア:

[(1, 138880225), (5, 27776045), (11, 12625475), (17, 8169425), (25, 5555209), (55, 2525095), (61, 2276725), (85, 1633885), (187, 742675), (275, 505019), (305, 455345), (425, 326777), (487, 285175), (671, 206975), (935, 148535), (1037, 133925), (1525, 91069), (2435, 57035), (3355, 41395), (4675, 29707), (5185, 26785), (5357, 25925), (8279, 16775), (11407, 12175)]