71699740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3181}}^1$

素因数の和:3227

約数の個数: 72

約数和(自身を含む): 182824992

約数和(自身を除く): 111125252

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3181, 3220, 4508, 5635, 6362, 11270, 12724, 15905, 22267, 22540, 31810, 44534, 63620, 73163, 89068, 111335, 146326, 155869, 222670, 292652, 311738, 365815, 445340, 512141, 623476, 731630, 779345, 1024282, 1463260, 1558690, 2048564, 2560705, 3117380, 3584987, 5121410, 7169974, 10242820, 14339948, 17924935, 35849870, 71699740]

約数ペア:

[(1, 71699740), (2, 35849870), (4, 17924935), (5, 14339948), (7, 10242820), (10, 7169974), (14, 5121410), (20, 3584987), (23, 3117380), (28, 2560705), (35, 2048564), (46, 1558690), (49, 1463260), (70, 1024282), (92, 779345), (98, 731630), (115, 623476), (140, 512141), (161, 445340), (196, 365815), (230, 311738), (245, 292652), (322, 222670), (460, 155869), (490, 146326), (644, 111335), (805, 89068), (980, 73163), (1127, 63620), (1610, 44534), (2254, 31810), (3181, 22540), (3220, 22267), (4508, 15905), (5635, 12724), (6362, 11270)]