231700820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:178

約数の個数: 192

約数和(自身を含む): 609638400

約数和(自身を除く): 377937580

約数列:

[1, 2, 4, 5, 10, 13, 17, 19, 20, 26, 31, 34, 38, 52, 62, 65, 68, 76, 85, 89, 95, 124, 130, 155, 170, 178, 190, 221, 247, 260, 310, 323, 340, 356, 380, 403, 442, 445, 494, 527, 589, 620, 646, 806, 884, 890, 988, 1054, 1105, 1157, 1178, 1235, 1292, 1513, 1612, 1615, 1691, 1780, 2015, 2108, 2210, 2314, 2356, 2470, 2635, 2759, 2945, 3026, 3230, 3382, 4030, 4199, 4420, 4628, 4940, 5270, 5518, 5785, 5890, 6052, 6460, 6764, 6851, 7565, 7657, 8060, 8398, 8455, 10013, 10540, 11036, 11570, 11780, 13702, 13795, 15130, 15314, 16796, 16910, 19669, 20026, 20995, 21983, 23140, 27404, 27590, 28747, 30260, 30628, 33820, 34255, 35867, 38285, 39338, 40052, 41990, 43966, 46903, 50065, 52421, 55180, 57494, 68510, 71734, 76570, 78676, 83980, 87932, 93806, 98345, 100130, 104842, 109915, 114988, 130169, 137020, 143468, 143735, 153140, 179335, 187612, 196690, 200260, 209684, 219830, 234515, 260338, 262105, 287470, 358670, 373711, 393380, 439660, 469030, 520676, 524210, 574940, 609739, 650845, 681473, 717340, 747422, 891157, 938060, 1048420, 1219478, 1301690, 1362946, 1494844, 1782314, 1868555, 2438956, 2603380, 2725892, 3048695, 3407365, 3564628, 3737110, 4455785, 6097390, 6814730, 7474220, 8911570, 11585041, 12194780, 13629460, 17823140, 23170082, 46340164, 57925205, 115850410, 231700820]

約数ペア:

[(1, 231700820), (2, 115850410), (4, 57925205), (5, 46340164), (10, 23170082), (13, 17823140), (17, 13629460), (19, 12194780), (20, 11585041), (26, 8911570), (31, 7474220), (34, 6814730), (38, 6097390), (52, 4455785), (62, 3737110), (65, 3564628), (68, 3407365), (76, 3048695), (85, 2725892), (89, 2603380), (95, 2438956), (124, 1868555), (130, 1782314), (155, 1494844), (170, 1362946), (178, 1301690), (190, 1219478), (221, 1048420), (247, 938060), (260, 891157), (310, 747422), (323, 717340), (340, 681473), (356, 650845), (380, 609739), (403, 574940), (442, 524210), (445, 520676), (494, 469030), (527, 439660), (589, 393380), (620, 373711), (646, 358670), (806, 287470), (884, 262105), (890, 260338), (988, 234515), (1054, 219830), (1105, 209684), (1157, 200260), (1178, 196690), (1235, 187612), (1292, 179335), (1513, 153140), (1612, 143735), (1615, 143468), (1691, 137020), (1780, 130169), (2015, 114988), (2108, 109915), (2210, 104842), (2314, 100130), (2356, 98345), (2470, 93806), (2635, 87932), (2759, 83980), (2945, 78676), (3026, 76570), (3230, 71734), (3382, 68510), (4030, 57494), (4199, 55180), (4420, 52421), (4628, 50065), (4940, 46903), (5270, 43966), (5518, 41990), (5785, 40052), (5890, 39338), (6052, 38285), (6460, 35867), (6764, 34255), (6851, 33820), (7565, 30628), (7657, 30260), (8060, 28747), (8398, 27590), (8455, 27404), (10013, 23140), (10540, 21983), (11036, 20995), (11570, 20026), (11780, 19669), (13702, 16910), (13795, 16796), (15130, 15314)]