1719880

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1$

素因数の和:134

約数の個数: 64

約数和(自身を含む): 4262400

約数和(自身を除く): 2542520

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 31, 38, 40, 62, 73, 76, 95, 124, 146, 152, 155, 190, 248, 292, 310, 365, 380, 584, 589, 620, 730, 760, 1178, 1240, 1387, 1460, 2263, 2356, 2774, 2920, 2945, 4526, 4712, 5548, 5890, 6935, 9052, 11096, 11315, 11780, 13870, 18104, 22630, 23560, 27740, 42997, 45260, 55480, 85994, 90520, 171988, 214985, 343976, 429970, 859940, 1719880]

約数ペア:

[(1, 1719880), (2, 859940), (4, 429970), (5, 343976), (8, 214985), (10, 171988), (19, 90520), (20, 85994), (31, 55480), (38, 45260), (40, 42997), (62, 27740), (73, 23560), (76, 22630), (95, 18104), (124, 13870), (146, 11780), (152, 11315), (155, 11096), (190, 9052), (248, 6935), (292, 5890), (310, 5548), (365, 4712), (380, 4526), (584, 2945), (589, 2920), (620, 2774), (730, 2356), (760, 2263), (1178, 1460), (1240, 1387)]