78972740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2699}}^1$

素因数の和:2745

約数の個数: 96

約数和(自身を含む): 217728000

約数和(自身を除く): 138755260

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 19, 20, 22, 28, 35, 38, 44, 55, 70, 76, 77, 95, 110, 133, 140, 154, 190, 209, 220, 266, 308, 380, 385, 418, 532, 665, 770, 836, 1045, 1330, 1463, 1540, 2090, 2660, 2699, 2926, 4180, 5398, 5852, 7315, 10796, 13495, 14630, 18893, 26990, 29260, 29689, 37786, 51281, 53980, 59378, 75572, 94465, 102562, 118756, 148445, 188930, 205124, 207823, 256405, 296890, 358967, 377860, 415646, 512810, 564091, 593780, 717934, 831292, 1025620, 1039115, 1128182, 1435868, 1794835, 2078230, 2256364, 2820455, 3589670, 3948637, 4156460, 5640910, 7179340, 7897274, 11281820, 15794548, 19743185, 39486370, 78972740]

約数ペア:

[(1, 78972740), (2, 39486370), (4, 19743185), (5, 15794548), (7, 11281820), (10, 7897274), (11, 7179340), (14, 5640910), (19, 4156460), (20, 3948637), (22, 3589670), (28, 2820455), (35, 2256364), (38, 2078230), (44, 1794835), (55, 1435868), (70, 1128182), (76, 1039115), (77, 1025620), (95, 831292), (110, 717934), (133, 593780), (140, 564091), (154, 512810), (190, 415646), (209, 377860), (220, 358967), (266, 296890), (308, 256405), (380, 207823), (385, 205124), (418, 188930), (532, 148445), (665, 118756), (770, 102562), (836, 94465), (1045, 75572), (1330, 59378), (1463, 53980), (1540, 51281), (2090, 37786), (2660, 29689), (2699, 29260), (2926, 26990), (4180, 18893), (5398, 14630), (5852, 13495), (7315, 10796)]