309552460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1\times {\mathrm{271}}^1$

素因数の和:527

約数の個数: 96

約数和(自身を含む): 767692800

約数和(自身を除く): 458140340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 199, 205, 271, 287, 398, 410, 542, 574, 796, 820, 995, 1084, 1148, 1355, 1393, 1435, 1897, 1990, 2710, 2786, 2870, 3794, 3980, 5420, 5572, 5740, 6965, 7588, 8159, 9485, 11111, 13930, 16318, 18970, 22222, 27860, 32636, 37940, 40795, 44444, 53929, 55555, 57113, 77777, 81590, 107858, 111110, 114226, 155554, 163180, 215716, 222220, 228452, 269645, 285565, 311108, 377503, 388885, 539290, 571130, 755006, 777770, 1078580, 1142260, 1510012, 1555540, 1887515, 2211089, 3775030, 4422178, 7550060, 8844356, 11055445, 15477623, 22110890, 30955246, 44221780, 61910492, 77388115, 154776230, 309552460]

約数ペア:

[(1, 309552460), (2, 154776230), (4, 77388115), (5, 61910492), (7, 44221780), (10, 30955246), (14, 22110890), (20, 15477623), (28, 11055445), (35, 8844356), (41, 7550060), (70, 4422178), (82, 3775030), (140, 2211089), (164, 1887515), (199, 1555540), (205, 1510012), (271, 1142260), (287, 1078580), (398, 777770), (410, 755006), (542, 571130), (574, 539290), (796, 388885), (820, 377503), (995, 311108), (1084, 285565), (1148, 269645), (1355, 228452), (1393, 222220), (1435, 215716), (1897, 163180), (1990, 155554), (2710, 114226), (2786, 111110), (2870, 107858), (3794, 81590), (3980, 77777), (5420, 57113), (5572, 55555), (5740, 53929), (6965, 44444), (7588, 40795), (8159, 37940), (9485, 32636), (11111, 27860), (13930, 22222), (16318, 18970)]