205122879380

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{157513}}^1$

素因数の和:157713

約数の個数: 96

約数和(自身を含む): 476322336000

約数和(自身を除く): 271199456620

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 46, 76, 92, 95, 115, 149, 190, 230, 298, 380, 437, 460, 596, 745, 874, 1490, 1748, 2185, 2831, 2980, 3427, 4370, 5662, 6854, 8740, 11324, 13708, 14155, 17135, 28310, 34270, 56620, 65113, 68540, 130226, 157513, 260452, 315026, 325565, 630052, 651130, 787565, 1302260, 1575130, 2992747, 3150260, 3622799, 5985494, 7245598, 11970988, 14491196, 14963735, 18113995, 23469437, 29927470, 36227990, 46938874, 59854940, 68833181, 72455980, 93877748, 117347185, 137666362, 234694370, 275332724, 344165905, 445919303, 469388740, 539797051, 688331810, 891838606, 1079594102, 1376663620, 1783677212, 2159188204, 2229596515, 2698985255, 4459193030, 5397970510, 8918386060, 10256143969, 10795941020, 20512287938, 41024575876, 51280719845, 102561439690, 205122879380]

約数ペア:

[(1, 205122879380), (2, 102561439690), (4, 51280719845), (5, 41024575876), (10, 20512287938), (19, 10795941020), (20, 10256143969), (23, 8918386060), (38, 5397970510), (46, 4459193030), (76, 2698985255), (92, 2229596515), (95, 2159188204), (115, 1783677212), (149, 1376663620), (190, 1079594102), (230, 891838606), (298, 688331810), (380, 539797051), (437, 469388740), (460, 445919303), (596, 344165905), (745, 275332724), (874, 234694370), (1490, 137666362), (1748, 117347185), (2185, 93877748), (2831, 72455980), (2980, 68833181), (3427, 59854940), (4370, 46938874), (5662, 36227990), (6854, 29927470), (8740, 23469437), (11324, 18113995), (13708, 14963735), (14155, 14491196), (17135, 11970988), (28310, 7245598), (34270, 5985494), (56620, 3622799), (65113, 3150260), (68540, 2992747), (130226, 1575130), (157513, 1302260), (260452, 787565), (315026, 651130), (325565, 630052)]