203718880

素因数分解:

$2^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:392

約数の個数: 96

約数和(自身を含む): 496419840

約数和(自身を除く): 292700960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 71, 79, 80, 142, 158, 160, 227, 284, 316, 355, 395, 454, 568, 632, 710, 790, 908, 1135, 1136, 1264, 1420, 1580, 1816, 2270, 2272, 2528, 2840, 3160, 3632, 4540, 5609, 5680, 6320, 7264, 9080, 11218, 11360, 12640, 16117, 17933, 18160, 22436, 28045, 32234, 35866, 36320, 44872, 56090, 64468, 71732, 80585, 89665, 89744, 112180, 128936, 143464, 161170, 179330, 179488, 224360, 257872, 286928, 322340, 358660, 448720, 515744, 573856, 644680, 717320, 897440, 1273243, 1289360, 1434640, 2546486, 2578720, 2869280, 5092972, 6366215, 10185944, 12732430, 20371888, 25464860, 40743776, 50929720, 101859440, 203718880]

約数ペア:

[(1, 203718880), (2, 101859440), (4, 50929720), (5, 40743776), (8, 25464860), (10, 20371888), (16, 12732430), (20, 10185944), (32, 6366215), (40, 5092972), (71, 2869280), (79, 2578720), (80, 2546486), (142, 1434640), (158, 1289360), (160, 1273243), (227, 897440), (284, 717320), (316, 644680), (355, 573856), (395, 515744), (454, 448720), (568, 358660), (632, 322340), (710, 286928), (790, 257872), (908, 224360), (1135, 179488), (1136, 179330), (1264, 161170), (1420, 143464), (1580, 128936), (1816, 112180), (2270, 89744), (2272, 89665), (2528, 80585), (2840, 71732), (3160, 64468), (3632, 56090), (4540, 44872), (5609, 36320), (5680, 35866), (6320, 32234), (7264, 28045), (9080, 22436), (11218, 18160), (11360, 17933), (12640, 16117)]