281065840

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{10303}}^1$

素因数の和:10358

約数の個数: 80

約数和(自身を含む): 735952896

約数和(自身を除く): 454887056

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1240, 1364, 1705, 2480, 2728, 3410, 5456, 6820, 10303, 13640, 20606, 27280, 41212, 51515, 82424, 103030, 113333, 164848, 206060, 226666, 319393, 412120, 453332, 566665, 638786, 824240, 906664, 1133330, 1277572, 1596965, 1813328, 2266660, 2555144, 3193930, 3513323, 4533320, 5110288, 6387860, 7026646, 9066640, 12775720, 14053292, 17566615, 25551440, 28106584, 35133230, 56213168, 70266460, 140532920, 281065840]

約数ペア:

[(1, 281065840), (2, 140532920), (4, 70266460), (5, 56213168), (8, 35133230), (10, 28106584), (11, 25551440), (16, 17566615), (20, 14053292), (22, 12775720), (31, 9066640), (40, 7026646), (44, 6387860), (55, 5110288), (62, 4533320), (80, 3513323), (88, 3193930), (110, 2555144), (124, 2266660), (155, 1813328), (176, 1596965), (220, 1277572), (248, 1133330), (310, 906664), (341, 824240), (440, 638786), (496, 566665), (620, 453332), (682, 412120), (880, 319393), (1240, 226666), (1364, 206060), (1705, 164848), (2480, 113333), (2728, 103030), (3410, 82424), (5456, 51515), (6820, 41212), (10303, 27280), (13640, 20606)]