1309111780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:893

約数の個数: 96

約数和(自身を含む): 2991542400

約数和(自身を除く): 1682430620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 113, 172, 190, 215, 226, 380, 430, 452, 565, 709, 817, 860, 1130, 1418, 1634, 2147, 2260, 2836, 3268, 3545, 4085, 4294, 4859, 7090, 8170, 8588, 9718, 10735, 13471, 14180, 16340, 19436, 21470, 24295, 26942, 30487, 42940, 48590, 53884, 60974, 67355, 80117, 92321, 97180, 121948, 134710, 152435, 160234, 184642, 269420, 304870, 320468, 369284, 400585, 461605, 579253, 609740, 801170, 923210, 1158506, 1522223, 1602340, 1846420, 2317012, 2896265, 3044446, 3445031, 5792530, 6088892, 6890062, 7611115, 11585060, 13780124, 15222230, 17225155, 30444460, 34450310, 65455589, 68900620, 130911178, 261822356, 327277945, 654555890, 1309111780]

約数ペア:

[(1, 1309111780), (2, 654555890), (4, 327277945), (5, 261822356), (10, 130911178), (19, 68900620), (20, 65455589), (38, 34450310), (43, 30444460), (76, 17225155), (86, 15222230), (95, 13780124), (113, 11585060), (172, 7611115), (190, 6890062), (215, 6088892), (226, 5792530), (380, 3445031), (430, 3044446), (452, 2896265), (565, 2317012), (709, 1846420), (817, 1602340), (860, 1522223), (1130, 1158506), (1418, 923210), (1634, 801170), (2147, 609740), (2260, 579253), (2836, 461605), (3268, 400585), (3545, 369284), (4085, 320468), (4294, 304870), (4859, 269420), (7090, 184642), (8170, 160234), (8588, 152435), (9718, 134710), (10735, 121948), (13471, 97180), (14180, 92321), (16340, 80117), (19436, 67355), (21470, 60974), (24295, 53884), (26942, 48590), (30487, 42940)]