689260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 1707552

約数和(自身を除く): 1018292

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 241, 260, 286, 482, 572, 715, 964, 1205, 1430, 2410, 2651, 2860, 3133, 4820, 5302, 6266, 10604, 12532, 13255, 15665, 26510, 31330, 34463, 53020, 62660, 68926, 137852, 172315, 344630, 689260]

約数ペア:

[(1, 689260), (2, 344630), (4, 172315), (5, 137852), (10, 68926), (11, 62660), (13, 53020), (20, 34463), (22, 31330), (26, 26510), (44, 15665), (52, 13255), (55, 12532), (65, 10604), (110, 6266), (130, 5302), (143, 4820), (220, 3133), (241, 2860), (260, 2651), (286, 2410), (482, 1430), (572, 1205), (715, 964)]