254179910

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1\times {\mathrm{487}}^1$

素因数の和:621

約数の個数: 64

約数和(自身を含む): 501742080

約数和(自身を除く): 247562170

約数列:

[1, 2, 5, 10, 19, 38, 41, 67, 82, 95, 134, 190, 205, 335, 410, 487, 670, 779, 974, 1273, 1558, 2435, 2546, 2747, 3895, 4870, 5494, 6365, 7790, 9253, 12730, 13735, 18506, 19967, 27470, 32629, 39934, 46265, 52193, 65258, 92530, 99835, 104386, 163145, 199670, 260965, 326290, 379373, 521930, 619951, 758746, 1239902, 1337789, 1896865, 2675578, 3099755, 3793730, 6199510, 6688945, 13377890, 25417991, 50835982, 127089955, 254179910]

約数ペア:

[(1, 254179910), (2, 127089955), (5, 50835982), (10, 25417991), (19, 13377890), (38, 6688945), (41, 6199510), (67, 3793730), (82, 3099755), (95, 2675578), (134, 1896865), (190, 1337789), (205, 1239902), (335, 758746), (410, 619951), (487, 521930), (670, 379373), (779, 326290), (974, 260965), (1273, 199670), (1558, 163145), (2435, 104386), (2546, 99835), (2747, 92530), (3895, 65258), (4870, 52193), (5494, 46265), (6365, 39934), (7790, 32629), (9253, 27470), (12730, 19967), (13735, 18506)]