408231880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:791

約数の個数: 128

約数和(自身を含む): 1121299200

約数和(自身を除く): 713067320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 139, 140, 170, 238, 278, 280, 340, 476, 556, 595, 617, 680, 695, 952, 973, 1112, 1190, 1234, 1390, 1946, 2363, 2380, 2468, 2780, 3085, 3892, 4319, 4726, 4760, 4865, 4936, 5560, 6170, 7784, 8638, 9452, 9730, 10489, 11815, 12340, 16541, 17276, 18904, 19460, 20978, 21595, 23630, 24680, 33082, 34552, 38920, 41956, 43190, 47260, 52445, 66164, 73423, 82705, 83912, 85763, 86380, 94520, 104890, 132328, 146846, 165410, 171526, 172760, 209780, 293692, 330820, 343052, 367115, 419560, 428815, 587384, 600341, 661640, 686104, 734230, 857630, 1200682, 1457971, 1468460, 1715260, 2401364, 2915942, 2936920, 3001705, 3430520, 4802728, 5831884, 6003410, 7289855, 10205797, 11663768, 12006820, 14579710, 20411594, 24013640, 29159420, 40823188, 51028985, 58318840, 81646376, 102057970, 204115940, 408231880]

約数ペア:

[(1, 408231880), (2, 204115940), (4, 102057970), (5, 81646376), (7, 58318840), (8, 51028985), (10, 40823188), (14, 29159420), (17, 24013640), (20, 20411594), (28, 14579710), (34, 12006820), (35, 11663768), (40, 10205797), (56, 7289855), (68, 6003410), (70, 5831884), (85, 4802728), (119, 3430520), (136, 3001705), (139, 2936920), (140, 2915942), (170, 2401364), (238, 1715260), (278, 1468460), (280, 1457971), (340, 1200682), (476, 857630), (556, 734230), (595, 686104), (617, 661640), (680, 600341), (695, 587384), (952, 428815), (973, 419560), (1112, 367115), (1190, 343052), (1234, 330820), (1390, 293692), (1946, 209780), (2363, 172760), (2380, 171526), (2468, 165410), (2780, 146846), (3085, 132328), (3892, 104890), (4319, 94520), (4726, 86380), (4760, 85763), (4865, 83912), (4936, 82705), (5560, 73423), (6170, 66164), (7784, 52445), (8638, 47260), (9452, 43190), (9730, 41956), (10489, 38920), (11815, 34552), (12340, 33082), (16541, 24680), (17276, 23630), (18904, 21595), (19460, 20978)]