390477204

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^3\times {\mathrm{4937}}^1$

素因数の和:4986

約数の個数: 72

約数和(自身を含む): 1069472040

約数和(自身を除く): 678994836

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 2197, 3042, 4394, 4937, 6084, 6591, 8788, 9874, 13182, 14811, 19748, 19773, 26364, 29622, 39546, 44433, 59244, 64181, 79092, 88866, 128362, 177732, 192543, 256724, 385086, 577629, 770172, 834353, 1155258, 1668706, 2310516, 2503059, 3337412, 5006118, 7509177, 10012236, 10846589, 15018354, 21693178, 30036708, 32539767, 43386356, 65079534, 97619301, 130159068, 195238602, 390477204]

約数ペア:

[(1, 390477204), (2, 195238602), (3, 130159068), (4, 97619301), (6, 65079534), (9, 43386356), (12, 32539767), (13, 30036708), (18, 21693178), (26, 15018354), (36, 10846589), (39, 10012236), (52, 7509177), (78, 5006118), (117, 3337412), (156, 2503059), (169, 2310516), (234, 1668706), (338, 1155258), (468, 834353), (507, 770172), (676, 577629), (1014, 385086), (1521, 256724), (2028, 192543), (2197, 177732), (3042, 128362), (4394, 88866), (4937, 79092), (6084, 64181), (6591, 59244), (8788, 44433), (9874, 39546), (13182, 29622), (14811, 26364), (19748, 19773)]