87440990

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:131

約数の個数: 128

約数和(自身を含む): 206841600

約数和(自身を除く): 119400610

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 37, 49, 53, 65, 70, 74, 91, 98, 106, 130, 182, 185, 245, 259, 265, 343, 370, 371, 455, 481, 490, 518, 530, 637, 686, 689, 742, 910, 962, 1274, 1295, 1378, 1715, 1813, 1855, 1961, 2405, 2590, 2597, 3185, 3367, 3430, 3445, 3626, 3710, 3922, 4459, 4810, 4823, 5194, 6370, 6734, 6890, 8918, 9065, 9646, 9805, 12691, 12985, 13727, 16835, 18130, 18179, 19610, 22295, 23569, 24115, 25382, 25493, 25970, 27454, 33670, 33761, 36358, 44590, 47138, 48230, 50986, 63455, 67522, 68635, 90895, 96089, 117845, 126910, 127465, 137270, 164983, 168805, 178451, 181790, 192178, 235690, 236327, 254930, 329966, 337610, 356902, 472654, 480445, 672623, 824915, 892255, 960890, 1181635, 1249157, 1345246, 1649830, 1784510, 2363270, 2498314, 3363115, 6245785, 6726230, 8744099, 12491570, 17488198, 43720495, 87440990]

約数ペア:

[(1, 87440990), (2, 43720495), (5, 17488198), (7, 12491570), (10, 8744099), (13, 6726230), (14, 6245785), (26, 3363115), (35, 2498314), (37, 2363270), (49, 1784510), (53, 1649830), (65, 1345246), (70, 1249157), (74, 1181635), (91, 960890), (98, 892255), (106, 824915), (130, 672623), (182, 480445), (185, 472654), (245, 356902), (259, 337610), (265, 329966), (343, 254930), (370, 236327), (371, 235690), (455, 192178), (481, 181790), (490, 178451), (518, 168805), (530, 164983), (637, 137270), (686, 127465), (689, 126910), (742, 117845), (910, 96089), (962, 90895), (1274, 68635), (1295, 67522), (1378, 63455), (1715, 50986), (1813, 48230), (1855, 47138), (1961, 44590), (2405, 36358), (2590, 33761), (2597, 33670), (3185, 27454), (3367, 25970), (3430, 25493), (3445, 25382), (3626, 24115), (3710, 23569), (3922, 22295), (4459, 19610), (4810, 18179), (4823, 18130), (5194, 16835), (6370, 13727), (6734, 12985), (6890, 12691), (8918, 9805), (9065, 9646)]