194770000

素因数分解:

$2^4\times 5^4\times {\mathrm{19477}}^1$

素因数の和:19505

約数の個数: 50

約数和(自身を含む): 471581858

約数和(自身を除く): 276811858

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 19477, 38954, 77908, 97385, 155816, 194770, 311632, 389540, 486925, 779080, 973850, 1558160, 1947700, 2434625, 3895400, 4869250, 7790800, 9738500, 12173125, 19477000, 24346250, 38954000, 48692500, 97385000, 194770000]

約数ペア:

[(1, 194770000), (2, 97385000), (4, 48692500), (5, 38954000), (8, 24346250), (10, 19477000), (16, 12173125), (20, 9738500), (25, 7790800), (40, 4869250), (50, 3895400), (80, 2434625), (100, 1947700), (125, 1558160), (200, 973850), (250, 779080), (400, 486925), (500, 389540), (625, 311632), (1000, 194770), (1250, 155816), (2000, 97385), (2500, 77908), (5000, 38954), (10000, 19477)]