123971302220

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{85247}}^1$

素因数の和:85407

約数の個数: 96

約数和(自身を含む): 283568947200

約数和(自身を除く): 159597644980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 89, 95, 172, 178, 190, 215, 356, 380, 430, 445, 817, 860, 890, 1634, 1691, 1780, 3268, 3382, 3827, 4085, 6764, 7654, 8170, 8455, 15308, 16340, 16910, 19135, 33820, 38270, 72713, 76540, 85247, 145426, 170494, 290852, 340988, 363565, 426235, 727130, 852470, 1454260, 1619693, 1704940, 3239386, 3665621, 6478772, 7331242, 7586983, 8098465, 14662484, 15173966, 16196930, 18328105, 30347932, 32393860, 36656210, 37934915, 69646799, 73312420, 75869830, 139293598, 144152677, 151739660, 278587196, 288305354, 326240269, 348233995, 576610708, 652480538, 696467990, 720763385, 1304961076, 1392935980, 1441526770, 1631201345, 2883053540, 3262402690, 6198565111, 6524805380, 12397130222, 24794260444, 30992825555, 61985651110, 123971302220]

約数ペア:

[(1, 123971302220), (2, 61985651110), (4, 30992825555), (5, 24794260444), (10, 12397130222), (19, 6524805380), (20, 6198565111), (38, 3262402690), (43, 2883053540), (76, 1631201345), (86, 1441526770), (89, 1392935980), (95, 1304961076), (172, 720763385), (178, 696467990), (190, 652480538), (215, 576610708), (356, 348233995), (380, 326240269), (430, 288305354), (445, 278587196), (817, 151739660), (860, 144152677), (890, 139293598), (1634, 75869830), (1691, 73312420), (1780, 69646799), (3268, 37934915), (3382, 36656210), (3827, 32393860), (4085, 30347932), (6764, 18328105), (7654, 16196930), (8170, 15173966), (8455, 14662484), (15308, 8098465), (16340, 7586983), (16910, 7331242), (19135, 6478772), (33820, 3665621), (38270, 3239386), (72713, 1704940), (76540, 1619693), (85247, 1454260), (145426, 852470), (170494, 727130), (290852, 426235), (340988, 363565)]