550374520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{653}}^1\times {\mathrm{1109}}^1$

素因数の和:1792

約数の個数: 64

約数和(自身を含む): 1306692000

約数和(自身を除く): 756317480

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 653, 760, 1109, 1306, 2218, 2612, 3265, 4436, 5224, 5545, 6530, 8872, 11090, 12407, 13060, 21071, 22180, 24814, 26120, 42142, 44360, 49628, 62035, 84284, 99256, 105355, 124070, 168568, 210710, 248140, 421420, 496280, 724177, 842840, 1448354, 2896708, 3620885, 5793416, 7241770, 13759363, 14483540, 27518726, 28967080, 55037452, 68796815, 110074904, 137593630, 275187260, 550374520]

約数ペア:

[(1, 550374520), (2, 275187260), (4, 137593630), (5, 110074904), (8, 68796815), (10, 55037452), (19, 28967080), (20, 27518726), (38, 14483540), (40, 13759363), (76, 7241770), (95, 5793416), (152, 3620885), (190, 2896708), (380, 1448354), (653, 842840), (760, 724177), (1109, 496280), (1306, 421420), (2218, 248140), (2612, 210710), (3265, 168568), (4436, 124070), (5224, 105355), (5545, 99256), (6530, 84284), (8872, 62035), (11090, 49628), (12407, 44360), (13060, 42142), (21071, 26120), (22180, 24814)]