149681240

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{8563}}^1$

素因数の和:8616

約数の個数: 64

約数和(自身を含む): 369964800

約数和(自身を除く): 220283560

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 23, 38, 40, 46, 76, 92, 95, 115, 152, 184, 190, 230, 380, 437, 460, 760, 874, 920, 1748, 2185, 3496, 4370, 8563, 8740, 17126, 17480, 34252, 42815, 68504, 85630, 162697, 171260, 196949, 325394, 342520, 393898, 650788, 787796, 813485, 984745, 1301576, 1575592, 1626970, 1969490, 3253940, 3742031, 3938980, 6507880, 7484062, 7877960, 14968124, 18710155, 29936248, 37420310, 74840620, 149681240]

約数ペア:

[(1, 149681240), (2, 74840620), (4, 37420310), (5, 29936248), (8, 18710155), (10, 14968124), (19, 7877960), (20, 7484062), (23, 6507880), (38, 3938980), (40, 3742031), (46, 3253940), (76, 1969490), (92, 1626970), (95, 1575592), (115, 1301576), (152, 984745), (184, 813485), (190, 787796), (230, 650788), (380, 393898), (437, 342520), (460, 325394), (760, 196949), (874, 171260), (920, 162697), (1748, 85630), (2185, 68504), (3496, 42815), (4370, 34252), (8563, 17480), (8740, 17126)]