428156720

素因数分解:

$2^4\times 5^1\times {\mathrm{229}}^1\times {\mathrm{23371}}^1$

素因数の和:23613

約数の個数: 40

約数和(自身を含む): 999854160

約数和(自身を除く): 571697440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 229, 458, 916, 1145, 1832, 2290, 3664, 4580, 9160, 18320, 23371, 46742, 93484, 116855, 186968, 233710, 373936, 467420, 934840, 1869680, 5351959, 10703918, 21407836, 26759795, 42815672, 53519590, 85631344, 107039180, 214078360, 428156720]

約数ペア:

[(1, 428156720), (2, 214078360), (4, 107039180), (5, 85631344), (8, 53519590), (10, 42815672), (16, 26759795), (20, 21407836), (40, 10703918), (80, 5351959), (229, 1869680), (458, 934840), (916, 467420), (1145, 373936), (1832, 233710), (2290, 186968), (3664, 116855), (4580, 93484), (9160, 46742), (18320, 23371)]