49941640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{173}}^1\times {\mathrm{1031}}^1$

素因数の和:1222

約数の個数: 64

約数和(自身を含む): 129288960

約数和(自身を除く): 79347320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 173, 280, 346, 692, 865, 1031, 1211, 1384, 1730, 2062, 2422, 3460, 4124, 4844, 5155, 6055, 6920, 7217, 8248, 9688, 10310, 12110, 14434, 20620, 24220, 28868, 36085, 41240, 48440, 57736, 72170, 144340, 178363, 288680, 356726, 713452, 891815, 1248541, 1426904, 1783630, 2497082, 3567260, 4994164, 6242705, 7134520, 9988328, 12485410, 24970820, 49941640]

約数ペア:

[(1, 49941640), (2, 24970820), (4, 12485410), (5, 9988328), (7, 7134520), (8, 6242705), (10, 4994164), (14, 3567260), (20, 2497082), (28, 1783630), (35, 1426904), (40, 1248541), (56, 891815), (70, 713452), (140, 356726), (173, 288680), (280, 178363), (346, 144340), (692, 72170), (865, 57736), (1031, 48440), (1211, 41240), (1384, 36085), (1730, 28868), (2062, 24220), (2422, 20620), (3460, 14434), (4124, 12110), (4844, 10310), (5155, 9688), (6055, 8248), (6920, 7217)]