668701900

素因数分解:

$2^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{1949}}^1$

素因数の和:2083

約数の個数: 72

約数和(自身を含む): 1503028800

約数和(自身を除く): 834326900

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 73, 94, 100, 146, 188, 235, 292, 365, 470, 730, 940, 1175, 1460, 1825, 1949, 2350, 3431, 3650, 3898, 4700, 6862, 7300, 7796, 9745, 13724, 17155, 19490, 34310, 38980, 48725, 68620, 85775, 91603, 97450, 142277, 171550, 183206, 194900, 284554, 343100, 366412, 458015, 569108, 711385, 916030, 1422770, 1832060, 2290075, 2845540, 3556925, 4580150, 6687019, 7113850, 9160300, 13374038, 14227700, 26748076, 33435095, 66870190, 133740380, 167175475, 334350950, 668701900]

約数ペア:

[(1, 668701900), (2, 334350950), (4, 167175475), (5, 133740380), (10, 66870190), (20, 33435095), (25, 26748076), (47, 14227700), (50, 13374038), (73, 9160300), (94, 7113850), (100, 6687019), (146, 4580150), (188, 3556925), (235, 2845540), (292, 2290075), (365, 1832060), (470, 1422770), (730, 916030), (940, 711385), (1175, 569108), (1460, 458015), (1825, 366412), (1949, 343100), (2350, 284554), (3431, 194900), (3650, 183206), (3898, 171550), (4700, 142277), (6862, 97450), (7300, 91603), (7796, 85775), (9745, 68620), (13724, 48725), (17155, 38980), (19490, 34310)]