205200710

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{367}}^1$

素因数の和:438

約数の個数: 128

約数和(自身を含む): 480743424

約数和(自身を除く): 275542714

約数列:

[1, 2, 5, 10, 11, 13, 17, 22, 23, 26, 34, 46, 55, 65, 85, 110, 115, 130, 143, 170, 187, 221, 230, 253, 286, 299, 367, 374, 391, 442, 506, 598, 715, 734, 782, 935, 1105, 1265, 1430, 1495, 1835, 1870, 1955, 2210, 2431, 2530, 2990, 3289, 3670, 3910, 4037, 4301, 4771, 4862, 5083, 6239, 6578, 8074, 8441, 8602, 9542, 10166, 12155, 12478, 16445, 16882, 20185, 21505, 23855, 24310, 25415, 31195, 32890, 40370, 42205, 43010, 47710, 50830, 52481, 55913, 62390, 68629, 81107, 84410, 92851, 104962, 109733, 111826, 137258, 143497, 162214, 185702, 219466, 262405, 279565, 286994, 343145, 405535, 464255, 524810, 548665, 559130, 686290, 717485, 811070, 892177, 928510, 1097330, 1207063, 1434970, 1578467, 1784354, 1865461, 2414126, 3156934, 3730922, 4460885, 6035315, 7892335, 8921770, 9327305, 12070630, 15784670, 18654610, 20520071, 41040142, 102600355, 205200710]

約数ペア:

[(1, 205200710), (2, 102600355), (5, 41040142), (10, 20520071), (11, 18654610), (13, 15784670), (17, 12070630), (22, 9327305), (23, 8921770), (26, 7892335), (34, 6035315), (46, 4460885), (55, 3730922), (65, 3156934), (85, 2414126), (110, 1865461), (115, 1784354), (130, 1578467), (143, 1434970), (170, 1207063), (187, 1097330), (221, 928510), (230, 892177), (253, 811070), (286, 717485), (299, 686290), (367, 559130), (374, 548665), (391, 524810), (442, 464255), (506, 405535), (598, 343145), (715, 286994), (734, 279565), (782, 262405), (935, 219466), (1105, 185702), (1265, 162214), (1430, 143497), (1495, 137258), (1835, 111826), (1870, 109733), (1955, 104962), (2210, 92851), (2431, 84410), (2530, 81107), (2990, 68629), (3289, 62390), (3670, 55913), (3910, 52481), (4037, 50830), (4301, 47710), (4771, 43010), (4862, 42205), (5083, 40370), (6239, 32890), (6578, 31195), (8074, 25415), (8441, 24310), (8602, 23855), (9542, 21505), (10166, 20185), (12155, 16882), (12478, 16445)]