235517540

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{19993}}^1$

素因数の和:20052

約数の個数: 48

約数和(自身を含む): 537438720

約数和(自身を除く): 301921180

約数列:

[1, 2, 4, 5, 10, 19, 20, 31, 38, 62, 76, 95, 124, 155, 190, 310, 380, 589, 620, 1178, 2356, 2945, 5890, 11780, 19993, 39986, 79972, 99965, 199930, 379867, 399860, 619783, 759734, 1239566, 1519468, 1899335, 2479132, 3098915, 3798670, 6197830, 7597340, 11775877, 12395660, 23551754, 47103508, 58879385, 117758770, 235517540]

約数ペア:

[(1, 235517540), (2, 117758770), (4, 58879385), (5, 47103508), (10, 23551754), (19, 12395660), (20, 11775877), (31, 7597340), (38, 6197830), (62, 3798670), (76, 3098915), (95, 2479132), (124, 1899335), (155, 1519468), (190, 1239566), (310, 759734), (380, 619783), (589, 399860), (620, 379867), (1178, 199930), (2356, 99965), (2945, 79972), (5890, 39986), (11780, 19993)]