779878660

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{337}}^1$

素因数の和:581

約数の個数: 96

約数和(自身を含む): 1830261888

約数和(自身を除く): 1050383228

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 67, 110, 134, 157, 220, 268, 314, 335, 337, 628, 670, 674, 737, 785, 1340, 1348, 1474, 1570, 1685, 1727, 2948, 3140, 3370, 3454, 3685, 3707, 6740, 6908, 7370, 7414, 8635, 10519, 14740, 14828, 17270, 18535, 21038, 22579, 34540, 37070, 42076, 45158, 52595, 52909, 74140, 90316, 105190, 105818, 112895, 115709, 210380, 211636, 225790, 231418, 248369, 264545, 451580, 462836, 496738, 529090, 578545, 581999, 993476, 1058180, 1157090, 1163998, 1241845, 2314180, 2327996, 2483690, 2909995, 3544903, 4967380, 5819990, 7089806, 11639980, 14179612, 17724515, 35449030, 38993933, 70898060, 77987866, 155975732, 194969665, 389939330, 779878660]

約数ペア:

[(1, 779878660), (2, 389939330), (4, 194969665), (5, 155975732), (10, 77987866), (11, 70898060), (20, 38993933), (22, 35449030), (44, 17724515), (55, 14179612), (67, 11639980), (110, 7089806), (134, 5819990), (157, 4967380), (220, 3544903), (268, 2909995), (314, 2483690), (335, 2327996), (337, 2314180), (628, 1241845), (670, 1163998), (674, 1157090), (737, 1058180), (785, 993476), (1340, 581999), (1348, 578545), (1474, 529090), (1570, 496738), (1685, 462836), (1727, 451580), (2948, 264545), (3140, 248369), (3370, 231418), (3454, 225790), (3685, 211636), (3707, 210380), (6740, 115709), (6908, 112895), (7370, 105818), (7414, 105190), (8635, 90316), (10519, 74140), (14740, 52909), (14828, 52595), (17270, 45158), (18535, 42076), (21038, 37070), (22579, 34540)]