223820

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:78

約数の個数: 36

約数和(自身を含む): 512064

約数和(自身を除く): 288244

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 361, 380, 589, 620, 722, 1178, 1444, 1805, 2356, 2945, 3610, 5890, 7220, 11191, 11780, 22382, 44764, 55955, 111910, 223820]

約数ペア:

[(1, 223820), (2, 111910), (4, 55955), (5, 44764), (10, 22382), (19, 11780), (20, 11191), (31, 7220), (38, 5890), (62, 3610), (76, 2945), (95, 2356), (124, 1805), (155, 1444), (190, 1178), (310, 722), (361, 620), (380, 589)]