620822356

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{2851}}^1$

素因数の和:2981

約数の個数: 72

約数和(自身を含む): 1392848352

約数和(自身を除く): 772025996

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 101, 154, 196, 202, 308, 404, 539, 707, 1078, 1111, 1414, 2156, 2222, 2828, 2851, 4444, 4949, 5702, 7777, 9898, 11404, 15554, 19796, 19957, 31108, 31361, 39914, 54439, 62722, 79828, 108878, 125444, 139699, 217756, 219527, 279398, 287951, 439054, 558796, 575902, 878108, 1151804, 1536689, 2015657, 3073378, 3167461, 4031314, 6146756, 6334922, 8062628, 12669844, 14109599, 22172227, 28219198, 44344454, 56438396, 88688908, 155205589, 310411178, 620822356]

約数ペア:

[(1, 620822356), (2, 310411178), (4, 155205589), (7, 88688908), (11, 56438396), (14, 44344454), (22, 28219198), (28, 22172227), (44, 14109599), (49, 12669844), (77, 8062628), (98, 6334922), (101, 6146756), (154, 4031314), (196, 3167461), (202, 3073378), (308, 2015657), (404, 1536689), (539, 1151804), (707, 878108), (1078, 575902), (1111, 558796), (1414, 439054), (2156, 287951), (2222, 279398), (2828, 219527), (2851, 217756), (4444, 139699), (4949, 125444), (5702, 108878), (7777, 79828), (9898, 62722), (11404, 54439), (15554, 39914), (19796, 31361), (19957, 31108)]