79420840

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1\times {\mathrm{499}}^1$

素因数の和:706

約数の個数: 64

約数和(自身を含む): 187920000

約数和(自身を除く): 108499160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 173, 184, 230, 346, 460, 499, 692, 865, 920, 998, 1384, 1730, 1996, 2495, 3460, 3979, 3992, 4990, 6920, 7958, 9980, 11477, 15916, 19895, 19960, 22954, 31832, 39790, 45908, 57385, 79580, 86327, 91816, 114770, 159160, 172654, 229540, 345308, 431635, 459080, 690616, 863270, 1726540, 1985521, 3453080, 3971042, 7942084, 9927605, 15884168, 19855210, 39710420, 79420840]

約数ペア:

[(1, 79420840), (2, 39710420), (4, 19855210), (5, 15884168), (8, 9927605), (10, 7942084), (20, 3971042), (23, 3453080), (40, 1985521), (46, 1726540), (92, 863270), (115, 690616), (173, 459080), (184, 431635), (230, 345308), (346, 229540), (460, 172654), (499, 159160), (692, 114770), (865, 91816), (920, 86327), (998, 79580), (1384, 57385), (1730, 45908), (1996, 39790), (2495, 31832), (3460, 22954), (3979, 19960), (3992, 19895), (4990, 15916), (6920, 11477), (7958, 9980)]