204819400

素因数分解:

$2^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{563}}^1$

素因数の和:703

約数の個数: 96

約数和(自身を含む): 509833440

約数和(自身を除く): 305014040

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 68, 85, 100, 107, 136, 170, 200, 214, 340, 425, 428, 535, 563, 680, 850, 856, 1070, 1126, 1700, 1819, 2140, 2252, 2675, 2815, 3400, 3638, 4280, 4504, 5350, 5630, 7276, 9095, 9571, 10700, 11260, 14075, 14552, 18190, 19142, 21400, 22520, 28150, 36380, 38284, 45475, 47855, 56300, 60241, 72760, 76568, 90950, 95710, 112600, 120482, 181900, 191420, 239275, 240964, 301205, 363800, 382840, 478550, 481928, 602410, 957100, 1024097, 1204820, 1506025, 1914200, 2048194, 2409640, 3012050, 4096388, 5120485, 6024100, 8192776, 10240970, 12048200, 20481940, 25602425, 40963880, 51204850, 102409700, 204819400]

約数ペア:

[(1, 204819400), (2, 102409700), (4, 51204850), (5, 40963880), (8, 25602425), (10, 20481940), (17, 12048200), (20, 10240970), (25, 8192776), (34, 6024100), (40, 5120485), (50, 4096388), (68, 3012050), (85, 2409640), (100, 2048194), (107, 1914200), (136, 1506025), (170, 1204820), (200, 1024097), (214, 957100), (340, 602410), (425, 481928), (428, 478550), (535, 382840), (563, 363800), (680, 301205), (850, 240964), (856, 239275), (1070, 191420), (1126, 181900), (1700, 120482), (1819, 112600), (2140, 95710), (2252, 90950), (2675, 76568), (2815, 72760), (3400, 60241), (3638, 56300), (4280, 47855), (4504, 45475), (5350, 38284), (5630, 36380), (7276, 28150), (9095, 22520), (9571, 21400), (10700, 19142), (11260, 18190), (14075, 14552)]