249099340

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{157}}^1\times {\mathrm{1619}}^1$

素因数の和:1799

約数の個数: 72

約数和(自身を含む): 612768240

約数和(自身を除く): 363668900

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 157, 196, 245, 314, 490, 628, 785, 980, 1099, 1570, 1619, 2198, 3140, 3238, 4396, 5495, 6476, 7693, 8095, 10990, 11333, 15386, 16190, 21980, 22666, 30772, 32380, 38465, 45332, 56665, 76930, 79331, 113330, 153860, 158662, 226660, 254183, 317324, 396655, 508366, 793310, 1016732, 1270915, 1586620, 1779281, 2541830, 3558562, 5083660, 7117124, 8896405, 12454967, 17792810, 24909934, 35585620, 49819868, 62274835, 124549670, 249099340]

約数ペア:

[(1, 249099340), (2, 124549670), (4, 62274835), (5, 49819868), (7, 35585620), (10, 24909934), (14, 17792810), (20, 12454967), (28, 8896405), (35, 7117124), (49, 5083660), (70, 3558562), (98, 2541830), (140, 1779281), (157, 1586620), (196, 1270915), (245, 1016732), (314, 793310), (490, 508366), (628, 396655), (785, 317324), (980, 254183), (1099, 226660), (1570, 158662), (1619, 153860), (2198, 113330), (3140, 79331), (3238, 76930), (4396, 56665), (5495, 45332), (6476, 38465), (7693, 32380), (8095, 30772), (10990, 22666), (11333, 21980), (15386, 16190)]