207299690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 128

約数和(自身を含む): 457228800

約数和(自身を除く): 249929110

約数列:

[1, 2, 5, 10, 13, 19, 23, 26, 38, 41, 46, 65, 82, 89, 95, 115, 130, 178, 190, 205, 230, 247, 299, 410, 437, 445, 494, 533, 598, 779, 874, 890, 943, 1066, 1157, 1235, 1495, 1558, 1691, 1886, 2047, 2185, 2314, 2470, 2665, 2990, 3382, 3649, 3895, 4094, 4370, 4715, 5330, 5681, 5785, 7298, 7790, 8455, 9430, 10127, 10235, 11362, 11570, 12259, 16910, 17917, 18245, 20254, 20470, 21983, 24518, 26611, 28405, 35834, 36490, 38893, 43966, 47437, 50635, 53222, 56810, 61295, 69331, 77786, 83927, 89585, 94874, 101270, 109915, 122590, 133055, 138662, 167854, 179170, 194465, 219830, 232921, 237185, 266110, 346655, 388930, 419635, 465842, 474370, 505609, 693310, 839270, 901303, 1011218, 1091051, 1164605, 1594613, 1802606, 2182102, 2329210, 2528045, 3189226, 4506515, 5056090, 5455255, 7973065, 9013030, 10910510, 15946130, 20729969, 41459938, 103649845, 207299690]

約数ペア:

[(1, 207299690), (2, 103649845), (5, 41459938), (10, 20729969), (13, 15946130), (19, 10910510), (23, 9013030), (26, 7973065), (38, 5455255), (41, 5056090), (46, 4506515), (65, 3189226), (82, 2528045), (89, 2329210), (95, 2182102), (115, 1802606), (130, 1594613), (178, 1164605), (190, 1091051), (205, 1011218), (230, 901303), (247, 839270), (299, 693310), (410, 505609), (437, 474370), (445, 465842), (494, 419635), (533, 388930), (598, 346655), (779, 266110), (874, 237185), (890, 232921), (943, 219830), (1066, 194465), (1157, 179170), (1235, 167854), (1495, 138662), (1558, 133055), (1691, 122590), (1886, 109915), (2047, 101270), (2185, 94874), (2314, 89585), (2470, 83927), (2665, 77786), (2990, 69331), (3382, 61295), (3649, 56810), (3895, 53222), (4094, 50635), (4370, 47437), (4715, 43966), (5330, 38893), (5681, 36490), (5785, 35834), (7298, 28405), (7790, 26611), (8455, 24518), (9430, 21983), (10127, 20470), (10235, 20254), (11362, 18245), (11570, 17917), (12259, 16910)]