290987824

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{41}}^2\times {\mathrm{349}}^1$

素因数の和:470

約数の個数: 60

約数和(自身を含む): 598225600

約数和(自身を除く): 307237776

約数列:

[1, 2, 4, 8, 16, 31, 41, 62, 82, 124, 164, 248, 328, 349, 496, 656, 698, 1271, 1396, 1681, 2542, 2792, 3362, 5084, 5584, 6724, 10168, 10819, 13448, 14309, 20336, 21638, 26896, 28618, 43276, 52111, 57236, 86552, 104222, 114472, 173104, 208444, 228944, 416888, 443579, 586669, 833776, 887158, 1173338, 1774316, 2346676, 3548632, 4693352, 7097264, 9386704, 18186739, 36373478, 72746956, 145493912, 290987824]

約数ペア:

[(1, 290987824), (2, 145493912), (4, 72746956), (8, 36373478), (16, 18186739), (31, 9386704), (41, 7097264), (62, 4693352), (82, 3548632), (124, 2346676), (164, 1774316), (248, 1173338), (328, 887158), (349, 833776), (496, 586669), (656, 443579), (698, 416888), (1271, 228944), (1396, 208444), (1681, 173104), (2542, 114472), (2792, 104222), (3362, 86552), (5084, 57236), (5584, 52111), (6724, 43276), (10168, 28618), (10819, 26896), (13448, 21638), (14309, 20336)]