200788720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{569}}^1$

素因数の和:994

約数の個数: 80

約数和(自身を含む): 511440480

約数和(自身を除く): 310651760

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 401, 440, 569, 802, 880, 1138, 1604, 2005, 2276, 2845, 3208, 4010, 4411, 4552, 5690, 6259, 6416, 8020, 8822, 9104, 11380, 12518, 16040, 17644, 22055, 22760, 25036, 31295, 32080, 35288, 44110, 45520, 50072, 62590, 70576, 88220, 100144, 125180, 176440, 228169, 250360, 352880, 456338, 500720, 912676, 1140845, 1825352, 2281690, 2509859, 3650704, 4563380, 5019718, 9126760, 10039436, 12549295, 18253520, 20078872, 25098590, 40157744, 50197180, 100394360, 200788720]

約数ペア:

[(1, 200788720), (2, 100394360), (4, 50197180), (5, 40157744), (8, 25098590), (10, 20078872), (11, 18253520), (16, 12549295), (20, 10039436), (22, 9126760), (40, 5019718), (44, 4563380), (55, 3650704), (80, 2509859), (88, 2281690), (110, 1825352), (176, 1140845), (220, 912676), (401, 500720), (440, 456338), (569, 352880), (802, 250360), (880, 228169), (1138, 176440), (1604, 125180), (2005, 100144), (2276, 88220), (2845, 70576), (3208, 62590), (4010, 50072), (4411, 45520), (4552, 44110), (5690, 35288), (6259, 32080), (6416, 31295), (8020, 25036), (8822, 22760), (9104, 22055), (11380, 17644), (12518, 16040)]