217629040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{143177}}^1$

素因数の和:143209

約数の個数: 40

約数和(自身を含む): 532622160

約数和(自身を除く): 314993120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 143177, 286354, 572708, 715885, 1145416, 1431770, 2290832, 2720363, 2863540, 5440726, 5727080, 10881452, 11454160, 13601815, 21762904, 27203630, 43525808, 54407260, 108814520, 217629040]

約数ペア:

[(1, 217629040), (2, 108814520), (4, 54407260), (5, 43525808), (8, 27203630), (10, 21762904), (16, 13601815), (19, 11454160), (20, 10881452), (38, 5727080), (40, 5440726), (76, 2863540), (80, 2720363), (95, 2290832), (152, 1431770), (190, 1145416), (304, 715885), (380, 572708), (760, 286354), (1520, 143177)]