620387475

素因数分解:

$3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:620

約数の個数: 48

約数和(自身を含む): 1041004800

約数和(自身を除く): 420617325

約数列:

[1, 3, 5, 15, 25, 75, 197, 199, 211, 591, 597, 633, 985, 995, 1055, 2955, 2985, 3165, 4925, 4975, 5275, 14775, 14925, 15825, 39203, 41567, 41989, 117609, 124701, 125967, 196015, 207835, 209945, 588045, 623505, 629835, 980075, 1039175, 1049725, 2940225, 3117525, 3149175, 8271833, 24815499, 41359165, 124077495, 206795825, 620387475]

約数ペア:

[(1, 620387475), (3, 206795825), (5, 124077495), (15, 41359165), (25, 24815499), (75, 8271833), (197, 3149175), (199, 3117525), (211, 2940225), (591, 1049725), (597, 1039175), (633, 980075), (985, 629835), (995, 623505), (1055, 588045), (2955, 209945), (2985, 207835), (3165, 196015), (4925, 125967), (4975, 124701), (5275, 117609), (14775, 41989), (14925, 41567), (15825, 39203)]