389661200

素因数分解:

$2^4\times 5^2\times {\mathrm{983}}^1\times {\mathrm{991}}^1$

素因数の和:1992

約数の個数: 60

約数和(自身を含む): 938059008

約数和(自身を除く): 548397808

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 983, 991, 1966, 1982, 3932, 3964, 4915, 4955, 7864, 7928, 9830, 9910, 15728, 15856, 19660, 19820, 24575, 24775, 39320, 39640, 49150, 49550, 78640, 79280, 98300, 99100, 196600, 198200, 393200, 396400, 974153, 1948306, 3896612, 4870765, 7793224, 9741530, 15586448, 19483060, 24353825, 38966120, 48707650, 77932240, 97415300, 194830600, 389661200]

約数ペア:

[(1, 389661200), (2, 194830600), (4, 97415300), (5, 77932240), (8, 48707650), (10, 38966120), (16, 24353825), (20, 19483060), (25, 15586448), (40, 9741530), (50, 7793224), (80, 4870765), (100, 3896612), (200, 1948306), (400, 974153), (983, 396400), (991, 393200), (1966, 198200), (1982, 196600), (3932, 99100), (3964, 98300), (4915, 79280), (4955, 78640), (7864, 49550), (7928, 49150), (9830, 39640), (9910, 39320), (15728, 24775), (15856, 24575), (19660, 19820)]