730505890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{239}}^1$

素因数の和:451

約数の個数: 64

約数和(自身を含む): 1381017600

約数和(自身を除く): 650511710

約数列:

[1, 2, 5, 10, 53, 73, 79, 106, 146, 158, 239, 265, 365, 395, 478, 530, 730, 790, 1195, 2390, 3869, 4187, 5767, 7738, 8374, 11534, 12667, 17447, 18881, 19345, 20935, 25334, 28835, 34894, 37762, 38690, 41870, 57670, 63335, 87235, 94405, 126670, 174470, 188810, 305651, 611302, 924691, 1000693, 1378313, 1528255, 1849382, 2001386, 2756626, 3056510, 4623455, 5003465, 6891565, 9246910, 10006930, 13783130, 73050589, 146101178, 365252945, 730505890]

約数ペア:

[(1, 730505890), (2, 365252945), (5, 146101178), (10, 73050589), (53, 13783130), (73, 10006930), (79, 9246910), (106, 6891565), (146, 5003465), (158, 4623455), (239, 3056510), (265, 2756626), (365, 2001386), (395, 1849382), (478, 1528255), (530, 1378313), (730, 1000693), (790, 924691), (1195, 611302), (2390, 305651), (3869, 188810), (4187, 174470), (5767, 126670), (7738, 94405), (8374, 87235), (11534, 63335), (12667, 57670), (17447, 41870), (18881, 38690), (19345, 37762), (20935, 34894), (25334, 28835)]