217378520

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{277}}^1\times {\mathrm{853}}^1$

素因数の和:1164

約数の個数: 64

約数和(自身を含む): 512809920

約数和(自身を除く): 295431400

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 277, 460, 554, 853, 920, 1108, 1385, 1706, 2216, 2770, 3412, 4265, 5540, 6371, 6824, 8530, 11080, 12742, 17060, 19619, 25484, 31855, 34120, 39238, 50968, 63710, 78476, 98095, 127420, 156952, 196190, 236281, 254840, 392380, 472562, 784760, 945124, 1181405, 1890248, 2362810, 4725620, 5434463, 9451240, 10868926, 21737852, 27172315, 43475704, 54344630, 108689260, 217378520]

約数ペア:

[(1, 217378520), (2, 108689260), (4, 54344630), (5, 43475704), (8, 27172315), (10, 21737852), (20, 10868926), (23, 9451240), (40, 5434463), (46, 4725620), (92, 2362810), (115, 1890248), (184, 1181405), (230, 945124), (277, 784760), (460, 472562), (554, 392380), (853, 254840), (920, 236281), (1108, 196190), (1385, 156952), (1706, 127420), (2216, 98095), (2770, 78476), (3412, 63710), (4265, 50968), (5540, 39238), (6371, 34120), (6824, 31855), (8530, 25484), (11080, 19619), (12742, 17060)]