20231450

素因数分解:

$2^1\times 5^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:263

約数の個数: 48

約数和(自身を含む): 39372480

約数和(自身を除く): 19141030

約数列:

[1, 2, 5, 10, 25, 41, 50, 71, 82, 139, 142, 205, 278, 355, 410, 695, 710, 1025, 1390, 1775, 2050, 2911, 3475, 3550, 5699, 5822, 6950, 9869, 11398, 14555, 19738, 28495, 29110, 49345, 56990, 72775, 98690, 142475, 145550, 246725, 284950, 404629, 493450, 809258, 2023145, 4046290, 10115725, 20231450]

約数ペア:

[(1, 20231450), (2, 10115725), (5, 4046290), (10, 2023145), (25, 809258), (41, 493450), (50, 404629), (71, 284950), (82, 246725), (139, 145550), (142, 142475), (205, 98690), (278, 72775), (355, 56990), (410, 49345), (695, 29110), (710, 28495), (1025, 19738), (1390, 14555), (1775, 11398), (2050, 9869), (2911, 6950), (3475, 5822), (3550, 5699)]