2783405900

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:480

約数の個数: 144

約数和(自身を含む): 6754067712

約数和(自身を除く): 3970661812

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 71, 100, 110, 142, 157, 220, 227, 275, 284, 314, 355, 454, 550, 628, 710, 781, 785, 908, 1100, 1135, 1420, 1562, 1570, 1727, 1775, 2270, 2497, 3124, 3140, 3454, 3550, 3905, 3925, 4540, 4994, 5675, 6908, 7100, 7810, 7850, 8635, 9988, 11147, 11350, 12485, 15620, 15700, 16117, 17270, 19525, 22294, 22700, 24970, 32234, 34540, 35639, 39050, 43175, 44588, 49940, 55735, 62425, 64468, 71278, 78100, 80585, 86350, 111470, 122617, 124850, 142556, 161170, 172700, 177287, 178195, 222940, 245234, 249700, 278675, 322340, 354574, 356390, 392029, 402925, 490468, 557350, 613085, 709148, 712780, 784058, 805850, 886435, 890975, 1114700, 1226170, 1568116, 1611700, 1772870, 1781950, 1960145, 2452340, 2530369, 3065425, 3545740, 3563900, 3920290, 4432175, 5060738, 6130850, 7840580, 8864350, 9800725, 10121476, 12261700, 12651845, 17728700, 19601450, 25303690, 27834059, 39202900, 50607380, 55668118, 63259225, 111336236, 126518450, 139170295, 253036900, 278340590, 556681180, 695851475, 1391702950, 2783405900]

約数ペア:

[(1, 2783405900), (2, 1391702950), (4, 695851475), (5, 556681180), (10, 278340590), (11, 253036900), (20, 139170295), (22, 126518450), (25, 111336236), (44, 63259225), (50, 55668118), (55, 50607380), (71, 39202900), (100, 27834059), (110, 25303690), (142, 19601450), (157, 17728700), (220, 12651845), (227, 12261700), (275, 10121476), (284, 9800725), (314, 8864350), (355, 7840580), (454, 6130850), (550, 5060738), (628, 4432175), (710, 3920290), (781, 3563900), (785, 3545740), (908, 3065425), (1100, 2530369), (1135, 2452340), (1420, 1960145), (1562, 1781950), (1570, 1772870), (1727, 1611700), (1775, 1568116), (2270, 1226170), (2497, 1114700), (3124, 890975), (3140, 886435), (3454, 805850), (3550, 784058), (3905, 712780), (3925, 709148), (4540, 613085), (4994, 557350), (5675, 490468), (6908, 402925), (7100, 392029), (7810, 356390), (7850, 354574), (8635, 322340), (9988, 278675), (11147, 249700), (11350, 245234), (12485, 222940), (15620, 178195), (15700, 177287), (16117, 172700), (17270, 161170), (19525, 142556), (22294, 124850), (22700, 122617), (24970, 111470), (32234, 86350), (34540, 80585), (35639, 78100), (39050, 71278), (43175, 64468), (44588, 62425), (49940, 55735)]