204645392

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{229}}^1$

素因数の和:424

約数の個数: 80

約数和(自身を含む): 465446400

約数和(自身を除く): 260801008

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 101, 112, 158, 202, 229, 316, 404, 458, 553, 632, 707, 808, 916, 1106, 1264, 1414, 1603, 1616, 1832, 2212, 2828, 3206, 3664, 4424, 5656, 6412, 7979, 8848, 11312, 12824, 15958, 18091, 23129, 25648, 31916, 36182, 46258, 55853, 63832, 72364, 92516, 111706, 126637, 127664, 144728, 161903, 185032, 223412, 253274, 289456, 323806, 370064, 446824, 506548, 647612, 893648, 1013096, 1295224, 1827191, 2026192, 2590448, 3654382, 7308764, 12790337, 14617528, 25580674, 29235056, 51161348, 102322696, 204645392]

約数ペア:

[(1, 204645392), (2, 102322696), (4, 51161348), (7, 29235056), (8, 25580674), (14, 14617528), (16, 12790337), (28, 7308764), (56, 3654382), (79, 2590448), (101, 2026192), (112, 1827191), (158, 1295224), (202, 1013096), (229, 893648), (316, 647612), (404, 506548), (458, 446824), (553, 370064), (632, 323806), (707, 289456), (808, 253274), (916, 223412), (1106, 185032), (1264, 161903), (1414, 144728), (1603, 127664), (1616, 126637), (1832, 111706), (2212, 92516), (2828, 72364), (3206, 63832), (3664, 55853), (4424, 46258), (5656, 36182), (6412, 31916), (7979, 25648), (8848, 23129), (11312, 18091), (12824, 15958)]