171444260

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:381

約数の個数: 96

約数和(自身を含む): 406425600

約数和(自身を除く): 234981340

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 89, 124, 130, 155, 178, 239, 260, 310, 356, 403, 445, 478, 620, 806, 890, 956, 1157, 1195, 1612, 1780, 2015, 2314, 2390, 2759, 3107, 4030, 4628, 4780, 5518, 5785, 6214, 7409, 8060, 11036, 11570, 12428, 13795, 14818, 15535, 21271, 23140, 27590, 29636, 31070, 35867, 37045, 42542, 55180, 62140, 71734, 74090, 85084, 96317, 106355, 143468, 148180, 179335, 192634, 212710, 276523, 358670, 385268, 425420, 481585, 553046, 659401, 717340, 963170, 1106092, 1318802, 1382615, 1926340, 2637604, 2765230, 3297005, 5530460, 6594010, 8572213, 13188020, 17144426, 34288852, 42861065, 85722130, 171444260]

約数ペア:

[(1, 171444260), (2, 85722130), (4, 42861065), (5, 34288852), (10, 17144426), (13, 13188020), (20, 8572213), (26, 6594010), (31, 5530460), (52, 3297005), (62, 2765230), (65, 2637604), (89, 1926340), (124, 1382615), (130, 1318802), (155, 1106092), (178, 963170), (239, 717340), (260, 659401), (310, 553046), (356, 481585), (403, 425420), (445, 385268), (478, 358670), (620, 276523), (806, 212710), (890, 192634), (956, 179335), (1157, 148180), (1195, 143468), (1612, 106355), (1780, 96317), (2015, 85084), (2314, 74090), (2390, 71734), (2759, 62140), (3107, 55180), (4030, 42542), (4628, 37045), (4780, 35867), (5518, 31070), (5785, 29636), (6214, 27590), (7409, 23140), (8060, 21271), (11036, 15535), (11570, 14818), (12428, 13795)]