220123288

素因数分解:

$2^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{719}}^1$

素因数の和:821

約数の個数: 96

約数和(自身を含む): 531878400

約数和(自身を除く): 311755112

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 71, 77, 88, 98, 142, 154, 196, 284, 308, 392, 497, 539, 568, 616, 719, 781, 994, 1078, 1438, 1562, 1988, 2156, 2876, 3124, 3479, 3976, 4312, 5033, 5467, 5752, 6248, 6958, 7909, 10066, 10934, 13916, 15818, 20132, 21868, 27832, 31636, 35231, 38269, 40264, 43736, 51049, 55363, 63272, 70462, 76538, 102098, 110726, 140924, 153076, 204196, 221452, 281848, 306152, 357343, 387541, 408392, 442904, 561539, 714686, 775082, 1123078, 1429372, 1550164, 2246156, 2501401, 2858744, 3100328, 3930773, 4492312, 5002802, 7861546, 10005604, 15723092, 20011208, 27515411, 31446184, 55030822, 110061644, 220123288]

約数ペア:

[(1, 220123288), (2, 110061644), (4, 55030822), (7, 31446184), (8, 27515411), (11, 20011208), (14, 15723092), (22, 10005604), (28, 7861546), (44, 5002802), (49, 4492312), (56, 3930773), (71, 3100328), (77, 2858744), (88, 2501401), (98, 2246156), (142, 1550164), (154, 1429372), (196, 1123078), (284, 775082), (308, 714686), (392, 561539), (497, 442904), (539, 408392), (568, 387541), (616, 357343), (719, 306152), (781, 281848), (994, 221452), (1078, 204196), (1438, 153076), (1562, 140924), (1988, 110726), (2156, 102098), (2876, 76538), (3124, 70462), (3479, 63272), (3976, 55363), (4312, 51049), (5033, 43736), (5467, 40264), (5752, 38269), (6248, 35231), (6958, 31636), (7909, 27832), (10066, 21868), (10934, 20132), (13916, 15818)]