129088540

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{839}}^1$

素因数の和:1019

約数の個数: 72

約数和(自身を含む): 317731680

約数和(自身を除く): 188643140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 839, 980, 1099, 1570, 1678, 2198, 3140, 3356, 4195, 4396, 5495, 5873, 7693, 8390, 10990, 11746, 15386, 16780, 21980, 23492, 29365, 30772, 38465, 41111, 58730, 76930, 82222, 117460, 131723, 153860, 164444, 205555, 263446, 411110, 526892, 658615, 822220, 922061, 1317230, 1844122, 2634460, 3688244, 4610305, 6454427, 9220610, 12908854, 18441220, 25817708, 32272135, 64544270, 129088540]

約数ペア:

[(1, 129088540), (2, 64544270), (4, 32272135), (5, 25817708), (7, 18441220), (10, 12908854), (14, 9220610), (20, 6454427), (28, 4610305), (35, 3688244), (49, 2634460), (70, 1844122), (98, 1317230), (140, 922061), (157, 822220), (196, 658615), (245, 526892), (314, 411110), (490, 263446), (628, 205555), (785, 164444), (839, 153860), (980, 131723), (1099, 117460), (1570, 82222), (1678, 76930), (2198, 58730), (3140, 41111), (3356, 38465), (4195, 30772), (4396, 29365), (5495, 23492), (5873, 21980), (7693, 16780), (8390, 15386), (10990, 11746)]