27781700

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{257}}^1$

素因数の和:341

約数の個数: 72

約数和(自身を含む): 64495872

約数和(自身を除く): 36714172

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 47, 50, 92, 94, 100, 115, 188, 230, 235, 257, 460, 470, 514, 575, 940, 1028, 1081, 1150, 1175, 1285, 2162, 2300, 2350, 2570, 4324, 4700, 5140, 5405, 5911, 6425, 10810, 11822, 12079, 12850, 21620, 23644, 24158, 25700, 27025, 29555, 48316, 54050, 59110, 60395, 108100, 118220, 120790, 147775, 241580, 277817, 295550, 301975, 555634, 591100, 603950, 1111268, 1207900, 1389085, 2778170, 5556340, 6945425, 13890850, 27781700]

約数ペア:

[(1, 27781700), (2, 13890850), (4, 6945425), (5, 5556340), (10, 2778170), (20, 1389085), (23, 1207900), (25, 1111268), (46, 603950), (47, 591100), (50, 555634), (92, 301975), (94, 295550), (100, 277817), (115, 241580), (188, 147775), (230, 120790), (235, 118220), (257, 108100), (460, 60395), (470, 59110), (514, 54050), (575, 48316), (940, 29555), (1028, 27025), (1081, 25700), (1150, 24158), (1175, 23644), (1285, 21620), (2162, 12850), (2300, 12079), (2350, 11822), (2570, 10810), (4324, 6425), (4700, 5911), (5140, 5405)]