2874340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{419}}^1$

素因数の和:449

約数の個数: 48

約数和(自身を含む): 7056000

約数和(自身を除く): 4181660

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 419, 490, 686, 838, 980, 1372, 1676, 1715, 2095, 2933, 3430, 4190, 5866, 6860, 8380, 11732, 14665, 20531, 29330, 41062, 58660, 82124, 102655, 143717, 205310, 287434, 410620, 574868, 718585, 1437170, 2874340]

約数ペア:

[(1, 2874340), (2, 1437170), (4, 718585), (5, 574868), (7, 410620), (10, 287434), (14, 205310), (20, 143717), (28, 102655), (35, 82124), (49, 58660), (70, 41062), (98, 29330), (140, 20531), (196, 14665), (245, 11732), (343, 8380), (419, 6860), (490, 5866), (686, 4190), (838, 3430), (980, 2933), (1372, 2095), (1676, 1715)]