868308420

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{12841}}^1$

素因数の和:12890

約数の個数: 144

約数和(自身を含む): 2951399808

約数和(自身を除く): 2083091388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 23, 28, 30, 35, 42, 46, 49, 60, 69, 70, 84, 92, 98, 105, 115, 138, 140, 147, 161, 196, 210, 230, 245, 276, 294, 322, 345, 420, 460, 483, 490, 588, 644, 690, 735, 805, 966, 980, 1127, 1380, 1470, 1610, 1932, 2254, 2415, 2940, 3220, 3381, 4508, 4830, 5635, 6762, 9660, 11270, 12841, 13524, 16905, 22540, 25682, 33810, 38523, 51364, 64205, 67620, 77046, 89887, 128410, 154092, 179774, 192615, 256820, 269661, 295343, 359548, 385230, 449435, 539322, 590686, 629209, 770460, 886029, 898870, 1078644, 1181372, 1258418, 1348305, 1476715, 1772058, 1797740, 1887627, 2067401, 2516836, 2696610, 2953430, 3146045, 3544116, 3775254, 4134802, 4430145, 5393220, 5906860, 6202203, 6292090, 7550508, 8269604, 8860290, 9438135, 10337005, 12404406, 12584180, 14471807, 17720580, 18876270, 20674010, 24808812, 28943614, 31011015, 37752540, 41348020, 43415421, 57887228, 62022030, 72359035, 86830842, 124044060, 144718070, 173661684, 217077105, 289436140, 434154210, 868308420]

約数ペア:

[(1, 868308420), (2, 434154210), (3, 289436140), (4, 217077105), (5, 173661684), (6, 144718070), (7, 124044060), (10, 86830842), (12, 72359035), (14, 62022030), (15, 57887228), (20, 43415421), (21, 41348020), (23, 37752540), (28, 31011015), (30, 28943614), (35, 24808812), (42, 20674010), (46, 18876270), (49, 17720580), (60, 14471807), (69, 12584180), (70, 12404406), (84, 10337005), (92, 9438135), (98, 8860290), (105, 8269604), (115, 7550508), (138, 6292090), (140, 6202203), (147, 5906860), (161, 5393220), (196, 4430145), (210, 4134802), (230, 3775254), (245, 3544116), (276, 3146045), (294, 2953430), (322, 2696610), (345, 2516836), (420, 2067401), (460, 1887627), (483, 1797740), (490, 1772058), (588, 1476715), (644, 1348305), (690, 1258418), (735, 1181372), (805, 1078644), (966, 898870), (980, 886029), (1127, 770460), (1380, 629209), (1470, 590686), (1610, 539322), (1932, 449435), (2254, 385230), (2415, 359548), (2940, 295343), (3220, 269661), (3381, 256820), (4508, 192615), (4830, 179774), (5635, 154092), (6762, 128410), (9660, 89887), (11270, 77046), (12841, 67620), (13524, 64205), (16905, 51364), (22540, 38523), (25682, 33810)]