1867580

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 4614624

約数和(自身を除く): 2747044

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 653, 715, 1306, 1430, 2612, 2860, 3265, 6530, 7183, 8489, 13060, 14366, 16978, 28732, 33956, 35915, 42445, 71830, 84890, 93379, 143660, 169780, 186758, 373516, 466895, 933790, 1867580]

約数ペア:

[(1, 1867580), (2, 933790), (4, 466895), (5, 373516), (10, 186758), (11, 169780), (13, 143660), (20, 93379), (22, 84890), (26, 71830), (44, 42445), (52, 35915), (55, 33956), (65, 28732), (110, 16978), (130, 14366), (143, 13060), (220, 8489), (260, 7183), (286, 6530), (572, 3265), (653, 2860), (715, 2612), (1306, 1430)]