978188840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{4007}}^1$

素因数の和:4394

約数の個数: 64

約数和(自身を含む): 2337465600

約数和(自身を除く): 1359276760

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 359, 680, 718, 1436, 1795, 2872, 3590, 4007, 6103, 7180, 8014, 12206, 14360, 16028, 20035, 24412, 30515, 32056, 40070, 48824, 61030, 68119, 80140, 122060, 136238, 160280, 244120, 272476, 340595, 544952, 681190, 1362380, 1438513, 2724760, 2877026, 5754052, 7192565, 11508104, 14385130, 24454721, 28770260, 48909442, 57540520, 97818884, 122273605, 195637768, 244547210, 489094420, 978188840]

約数ペア:

[(1, 978188840), (2, 489094420), (4, 244547210), (5, 195637768), (8, 122273605), (10, 97818884), (17, 57540520), (20, 48909442), (34, 28770260), (40, 24454721), (68, 14385130), (85, 11508104), (136, 7192565), (170, 5754052), (340, 2877026), (359, 2724760), (680, 1438513), (718, 1362380), (1436, 681190), (1795, 544952), (2872, 340595), (3590, 272476), (4007, 244120), (6103, 160280), (7180, 136238), (8014, 122060), (12206, 80140), (14360, 68119), (16028, 61030), (20035, 48824), (24412, 40070), (30515, 32056)]