102651800

素因数分解:

$2^3\times 5^2\times {\mathrm{71}}^1\times {\mathrm{7229}}^1$

素因数の和:7316

約数の個数: 48

約数和(自身を含む): 242060400

約数和(自身を除く): 139408600

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 71, 100, 142, 200, 284, 355, 568, 710, 1420, 1775, 2840, 3550, 7100, 7229, 14200, 14458, 28916, 36145, 57832, 72290, 144580, 180725, 289160, 361450, 513259, 722900, 1026518, 1445800, 2053036, 2566295, 4106072, 5132590, 10265180, 12831475, 20530360, 25662950, 51325900, 102651800]

約数ペア:

[(1, 102651800), (2, 51325900), (4, 25662950), (5, 20530360), (8, 12831475), (10, 10265180), (20, 5132590), (25, 4106072), (40, 2566295), (50, 2053036), (71, 1445800), (100, 1026518), (142, 722900), (200, 513259), (284, 361450), (355, 289160), (568, 180725), (710, 144580), (1420, 72290), (1775, 57832), (2840, 36145), (3550, 28916), (7100, 14458), (7229, 14200)]