220576972

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1$

素因数の和:551

約数の個数: 96

約数和(自身を含む): 515773440

約数和(自身を除く): 295196468

約数列:

[1, 2, 4, 7, 11, 14, 17, 22, 28, 34, 44, 68, 77, 103, 119, 154, 187, 206, 238, 308, 374, 409, 412, 476, 721, 748, 818, 1133, 1309, 1442, 1636, 1751, 2266, 2618, 2863, 2884, 3502, 4499, 4532, 5236, 5726, 6953, 7004, 7931, 8998, 11452, 12257, 13906, 15862, 17996, 19261, 24514, 27812, 31493, 31724, 38522, 42127, 48671, 49028, 62986, 76483, 77044, 84254, 97342, 125972, 134827, 152966, 168508, 194684, 269654, 294889, 305932, 463397, 535381, 539308, 589778, 716159, 926794, 1070762, 1179556, 1432318, 1853588, 2141524, 2864636, 3243779, 5013113, 6487558, 7877749, 10026226, 12975116, 15755498, 20052452, 31510996, 55144243, 110288486, 220576972]

約数ペア:

[(1, 220576972), (2, 110288486), (4, 55144243), (7, 31510996), (11, 20052452), (14, 15755498), (17, 12975116), (22, 10026226), (28, 7877749), (34, 6487558), (44, 5013113), (68, 3243779), (77, 2864636), (103, 2141524), (119, 1853588), (154, 1432318), (187, 1179556), (206, 1070762), (238, 926794), (308, 716159), (374, 589778), (409, 539308), (412, 535381), (476, 463397), (721, 305932), (748, 294889), (818, 269654), (1133, 194684), (1309, 168508), (1442, 152966), (1636, 134827), (1751, 125972), (2266, 97342), (2618, 84254), (2863, 77044), (2884, 76483), (3502, 62986), (4499, 49028), (4532, 48671), (5236, 42127), (5726, 38522), (6953, 31724), (7004, 31493), (7931, 27812), (8998, 24514), (11452, 19261), (12257, 17996), (13906, 15862)]