1209219844

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{229}}^1\times {\mathrm{929}}^1$

素因数の和:1205

約数の個数: 72

約数和(自身を含む): 2560383000

約数和(自身を除く): 1351163156

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 98, 116, 196, 203, 229, 406, 458, 812, 916, 929, 1421, 1603, 1858, 2842, 3206, 3716, 5684, 6412, 6503, 6641, 11221, 13006, 13282, 22442, 26012, 26564, 26941, 44884, 45521, 46487, 53882, 91042, 92974, 107764, 182084, 185948, 188587, 212741, 325409, 377174, 425482, 650818, 754348, 850964, 1301636, 1320109, 1489187, 2640218, 2978374, 5280436, 5956748, 6169489, 10424309, 12338978, 20848618, 24677956, 41697236, 43186423, 86372846, 172745692, 302304961, 604609922, 1209219844]

約数ペア:

[(1, 1209219844), (2, 604609922), (4, 302304961), (7, 172745692), (14, 86372846), (28, 43186423), (29, 41697236), (49, 24677956), (58, 20848618), (98, 12338978), (116, 10424309), (196, 6169489), (203, 5956748), (229, 5280436), (406, 2978374), (458, 2640218), (812, 1489187), (916, 1320109), (929, 1301636), (1421, 850964), (1603, 754348), (1858, 650818), (2842, 425482), (3206, 377174), (3716, 325409), (5684, 212741), (6412, 188587), (6503, 185948), (6641, 182084), (11221, 107764), (13006, 92974), (13282, 91042), (22442, 53882), (26012, 46487), (26564, 45521), (26941, 44884)]