347909680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{55049}}^1$

素因数の和:55141

約数の個数: 40

約数和(自身を含む): 819144000

約数和(自身を除く): 471234320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 55049, 110098, 220196, 275245, 440392, 550490, 880784, 1100980, 2201960, 4348871, 4403920, 8697742, 17395484, 21744355, 34790968, 43488710, 69581936, 86977420, 173954840, 347909680]

約数ペア:

[(1, 347909680), (2, 173954840), (4, 86977420), (5, 69581936), (8, 43488710), (10, 34790968), (16, 21744355), (20, 17395484), (40, 8697742), (79, 4403920), (80, 4348871), (158, 2201960), (316, 1100980), (395, 880784), (632, 550490), (790, 440392), (1264, 275245), (1580, 220196), (3160, 110098), (6320, 55049)]