340858240

素因数分解:

$2^7\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8731}}^1$

素因数の和:8811

約数の個数: 64

約数和(自身を含む): 828317520

約数和(自身を除く): 487459280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 128, 160, 244, 305, 320, 488, 610, 640, 976, 1220, 1952, 2440, 3904, 4880, 7808, 8731, 9760, 17462, 19520, 34924, 39040, 43655, 69848, 87310, 139696, 174620, 279392, 349240, 532591, 558784, 698480, 1065182, 1117568, 1396960, 2130364, 2662955, 2793920, 4260728, 5325910, 5587840, 8521456, 10651820, 17042912, 21303640, 34085824, 42607280, 68171648, 85214560, 170429120, 340858240]

約数ペア:

[(1, 340858240), (2, 170429120), (4, 85214560), (5, 68171648), (8, 42607280), (10, 34085824), (16, 21303640), (20, 17042912), (32, 10651820), (40, 8521456), (61, 5587840), (64, 5325910), (80, 4260728), (122, 2793920), (128, 2662955), (160, 2130364), (244, 1396960), (305, 1117568), (320, 1065182), (488, 698480), (610, 558784), (640, 532591), (976, 349240), (1220, 279392), (1952, 174620), (2440, 139696), (3904, 87310), (4880, 69848), (7808, 43655), (8731, 39040), (9760, 34924), (17462, 19520)]