74687480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1$

素因数の和:277

約数の個数: 128

約数和(自身を含む): 205632000

約数和(自身を除く): 130944520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 101, 133, 139, 140, 152, 190, 202, 266, 278, 280, 380, 404, 505, 532, 556, 665, 695, 707, 760, 808, 973, 1010, 1064, 1112, 1330, 1390, 1414, 1919, 1946, 2020, 2641, 2660, 2780, 2828, 3535, 3838, 3892, 4040, 4865, 5282, 5320, 5560, 5656, 7070, 7676, 7784, 9595, 9730, 10564, 13205, 13433, 14039, 14140, 15352, 18487, 19190, 19460, 21128, 26410, 26866, 28078, 28280, 36974, 38380, 38920, 52820, 53732, 56156, 67165, 70195, 73948, 76760, 92435, 98273, 105640, 107464, 112312, 134330, 140390, 147896, 184870, 196546, 266741, 268660, 280780, 369740, 393092, 491365, 533482, 537320, 561560, 739480, 786184, 982730, 1066964, 1333705, 1867187, 1965460, 2133928, 2667410, 3734374, 3930920, 5334820, 7468748, 9335935, 10669640, 14937496, 18671870, 37343740, 74687480]

約数ペア:

[(1, 74687480), (2, 37343740), (4, 18671870), (5, 14937496), (7, 10669640), (8, 9335935), (10, 7468748), (14, 5334820), (19, 3930920), (20, 3734374), (28, 2667410), (35, 2133928), (38, 1965460), (40, 1867187), (56, 1333705), (70, 1066964), (76, 982730), (95, 786184), (101, 739480), (133, 561560), (139, 537320), (140, 533482), (152, 491365), (190, 393092), (202, 369740), (266, 280780), (278, 268660), (280, 266741), (380, 196546), (404, 184870), (505, 147896), (532, 140390), (556, 134330), (665, 112312), (695, 107464), (707, 105640), (760, 98273), (808, 92435), (973, 76760), (1010, 73948), (1064, 70195), (1112, 67165), (1330, 56156), (1390, 53732), (1414, 52820), (1919, 38920), (1946, 38380), (2020, 36974), (2641, 28280), (2660, 28078), (2780, 26866), (2828, 26410), (3535, 21128), (3838, 19460), (3892, 19190), (4040, 18487), (4865, 15352), (5282, 14140), (5320, 14039), (5560, 13433), (5656, 13205), (7070, 10564), (7676, 9730), (7784, 9595)]