7370980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 16193520

約数和(自身を除く): 8822540

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 89, 101, 164, 178, 202, 205, 356, 404, 410, 445, 505, 820, 890, 1010, 1780, 2020, 3649, 4141, 7298, 8282, 8989, 14596, 16564, 17978, 18245, 20705, 35956, 36490, 41410, 44945, 72980, 82820, 89890, 179780, 368549, 737098, 1474196, 1842745, 3685490, 7370980]

約数ペア:

[(1, 7370980), (2, 3685490), (4, 1842745), (5, 1474196), (10, 737098), (20, 368549), (41, 179780), (82, 89890), (89, 82820), (101, 72980), (164, 44945), (178, 41410), (202, 36490), (205, 35956), (356, 20705), (404, 18245), (410, 17978), (445, 16564), (505, 14596), (820, 8989), (890, 8282), (1010, 7298), (1780, 4141), (2020, 3649)]