8855980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^2$

素因数の和:155

約数の個数: 72

約数和(自身を含む): 22879584

約数和(自身を除く): 14023604

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 61, 68, 70, 85, 119, 122, 140, 170, 238, 244, 305, 340, 427, 476, 595, 610, 854, 1037, 1190, 1220, 1708, 2074, 2135, 2380, 3721, 4148, 4270, 5185, 7259, 7442, 8540, 10370, 14518, 14884, 18605, 20740, 26047, 29036, 36295, 37210, 52094, 63257, 72590, 74420, 104188, 126514, 130235, 145180, 253028, 260470, 316285, 442799, 520940, 632570, 885598, 1265140, 1771196, 2213995, 4427990, 8855980]

約数ペア:

[(1, 8855980), (2, 4427990), (4, 2213995), (5, 1771196), (7, 1265140), (10, 885598), (14, 632570), (17, 520940), (20, 442799), (28, 316285), (34, 260470), (35, 253028), (61, 145180), (68, 130235), (70, 126514), (85, 104188), (119, 74420), (122, 72590), (140, 63257), (170, 52094), (238, 37210), (244, 36295), (305, 29036), (340, 26047), (427, 20740), (476, 18605), (595, 14884), (610, 14518), (854, 10370), (1037, 8540), (1190, 7442), (1220, 7259), (1708, 5185), (2074, 4270), (2135, 4148), (2380, 3721)]