2912790520

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{313}}^1\times {\mathrm{3187}}^1$

素因数の和:3584

約数の個数: 64

約数和(自身を含む): 6666873120

約数和(自身を除く): 3754082600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 313, 365, 584, 626, 730, 1252, 1460, 1565, 2504, 2920, 3130, 3187, 6260, 6374, 12520, 12748, 15935, 22849, 25496, 31870, 45698, 63740, 91396, 114245, 127480, 182792, 228490, 232651, 456980, 465302, 913960, 930604, 997531, 1163255, 1861208, 1995062, 2326510, 3990124, 4653020, 4987655, 7980248, 9306040, 9975310, 19950620, 39901240, 72819763, 145639526, 291279052, 364098815, 582558104, 728197630, 1456395260, 2912790520]

約数ペア:

[(1, 2912790520), (2, 1456395260), (4, 728197630), (5, 582558104), (8, 364098815), (10, 291279052), (20, 145639526), (40, 72819763), (73, 39901240), (146, 19950620), (292, 9975310), (313, 9306040), (365, 7980248), (584, 4987655), (626, 4653020), (730, 3990124), (1252, 2326510), (1460, 1995062), (1565, 1861208), (2504, 1163255), (2920, 997531), (3130, 930604), (3187, 913960), (6260, 465302), (6374, 456980), (12520, 232651), (12748, 228490), (15935, 182792), (22849, 127480), (25496, 114245), (31870, 91396), (45698, 63740)]