206543190

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{257}}^1$

素因数の和:406

約数の個数: 128

約数和(自身を含む): 588487680

約数和(自身を除く): 381944490

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 43, 70, 86, 89, 105, 129, 178, 210, 215, 257, 258, 267, 301, 430, 445, 514, 534, 602, 623, 645, 771, 890, 903, 1246, 1285, 1290, 1335, 1505, 1542, 1799, 1806, 1869, 2570, 2670, 3010, 3115, 3598, 3738, 3827, 3855, 4515, 5397, 6230, 7654, 7710, 8995, 9030, 9345, 10794, 11051, 11481, 17990, 18690, 19135, 22102, 22873, 22962, 26789, 26985, 33153, 38270, 45746, 53578, 53970, 55255, 57405, 66306, 68619, 77357, 80367, 110510, 114365, 114810, 133945, 137238, 154714, 160111, 160734, 165765, 228730, 232071, 267890, 320222, 331530, 343095, 386785, 401835, 464142, 480333, 686190, 773570, 800555, 803670, 960666, 983539, 1160355, 1601110, 1967078, 2320710, 2401665, 2950617, 4803330, 4917695, 5901234, 6884773, 9835390, 13769546, 14753085, 20654319, 29506170, 34423865, 41308638, 68847730, 103271595, 206543190]

約数ペア:

[(1, 206543190), (2, 103271595), (3, 68847730), (5, 41308638), (6, 34423865), (7, 29506170), (10, 20654319), (14, 14753085), (15, 13769546), (21, 9835390), (30, 6884773), (35, 5901234), (42, 4917695), (43, 4803330), (70, 2950617), (86, 2401665), (89, 2320710), (105, 1967078), (129, 1601110), (178, 1160355), (210, 983539), (215, 960666), (257, 803670), (258, 800555), (267, 773570), (301, 686190), (430, 480333), (445, 464142), (514, 401835), (534, 386785), (602, 343095), (623, 331530), (645, 320222), (771, 267890), (890, 232071), (903, 228730), (1246, 165765), (1285, 160734), (1290, 160111), (1335, 154714), (1505, 137238), (1542, 133945), (1799, 114810), (1806, 114365), (1869, 110510), (2570, 80367), (2670, 77357), (3010, 68619), (3115, 66306), (3598, 57405), (3738, 55255), (3827, 53970), (3855, 53578), (4515, 45746), (5397, 38270), (6230, 33153), (7654, 26985), (7710, 26789), (8995, 22962), (9030, 22873), (9345, 22102), (10794, 19135), (11051, 18690), (11481, 17990)]