138156880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{577}}^1$

素因数の和:704

約数の個数: 80

約数和(自身を含む): 334134864

約数和(自身を除く): 195977984

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 73, 80, 82, 146, 164, 205, 292, 328, 365, 410, 577, 584, 656, 730, 820, 1154, 1168, 1460, 1640, 2308, 2885, 2920, 2993, 3280, 4616, 5770, 5840, 5986, 9232, 11540, 11972, 14965, 23080, 23657, 23944, 29930, 42121, 46160, 47314, 47888, 59860, 84242, 94628, 118285, 119720, 168484, 189256, 210605, 236570, 239440, 336968, 378512, 421210, 473140, 673936, 842420, 946280, 1684840, 1726961, 1892560, 3369680, 3453922, 6907844, 8634805, 13815688, 17269610, 27631376, 34539220, 69078440, 138156880]

約数ペア:

[(1, 138156880), (2, 69078440), (4, 34539220), (5, 27631376), (8, 17269610), (10, 13815688), (16, 8634805), (20, 6907844), (40, 3453922), (41, 3369680), (73, 1892560), (80, 1726961), (82, 1684840), (146, 946280), (164, 842420), (205, 673936), (292, 473140), (328, 421210), (365, 378512), (410, 336968), (577, 239440), (584, 236570), (656, 210605), (730, 189256), (820, 168484), (1154, 119720), (1168, 118285), (1460, 94628), (1640, 84242), (2308, 59860), (2885, 47888), (2920, 47314), (2993, 46160), (3280, 42121), (4616, 29930), (5770, 23944), (5840, 23657), (5986, 23080), (9232, 14965), (11540, 11972)]