20174469875

素因数分解:

$5^3\times 7^2\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{2143}}^1$

素因数の和:2254

約数の個数: 96

約数和(自身を含む): 30884405760

約数和(自身を除く): 10709935885

約数列:

[1, 5, 7, 25, 29, 35, 49, 53, 125, 145, 175, 203, 245, 265, 371, 725, 875, 1015, 1225, 1325, 1421, 1537, 1855, 2143, 2597, 3625, 5075, 6125, 6625, 7105, 7685, 9275, 10715, 10759, 12985, 15001, 25375, 35525, 38425, 46375, 53575, 53795, 62147, 64925, 75005, 75313, 105007, 113579, 177625, 192125, 267875, 268975, 310735, 324625, 375025, 376565, 435029, 525035, 567895, 795053, 1344875, 1553675, 1875125, 1882825, 2175145, 2625175, 2839475, 3045203, 3293791, 3975265, 5565371, 7768375, 9414125, 10875725, 13125875, 14197375, 15226015, 16468955, 19876325, 23056537, 27826855, 54378625, 76130075, 82344775, 99381625, 115282685, 139134275, 161395759, 380650375, 411723875, 576413425, 695671375, 806978795, 2882067125, 4034893975, 20174469875]

約数ペア:

[(1, 20174469875), (5, 4034893975), (7, 2882067125), (25, 806978795), (29, 695671375), (35, 576413425), (49, 411723875), (53, 380650375), (125, 161395759), (145, 139134275), (175, 115282685), (203, 99381625), (245, 82344775), (265, 76130075), (371, 54378625), (725, 27826855), (875, 23056537), (1015, 19876325), (1225, 16468955), (1325, 15226015), (1421, 14197375), (1537, 13125875), (1855, 10875725), (2143, 9414125), (2597, 7768375), (3625, 5565371), (5075, 3975265), (6125, 3293791), (6625, 3045203), (7105, 2839475), (7685, 2625175), (9275, 2175145), (10715, 1882825), (10759, 1875125), (12985, 1553675), (15001, 1344875), (25375, 795053), (35525, 567895), (38425, 525035), (46375, 435029), (53575, 376565), (53795, 375025), (62147, 324625), (64925, 310735), (75005, 268975), (75313, 267875), (105007, 192125), (113579, 177625)]