728372020

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{373}}^1\times {\mathrm{599}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 1545667200

約数和(自身を除く): 817295180

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 373, 599, 652, 746, 815, 1198, 1492, 1630, 1865, 2396, 2995, 3260, 3730, 5990, 7460, 11980, 60799, 97637, 121598, 195274, 223427, 243196, 303995, 390548, 446854, 488185, 607990, 893708, 976370, 1117135, 1215980, 1952740, 2234270, 4468540, 36418601, 72837202, 145674404, 182093005, 364186010, 728372020]

約数ペア:

[(1, 728372020), (2, 364186010), (4, 182093005), (5, 145674404), (10, 72837202), (20, 36418601), (163, 4468540), (326, 2234270), (373, 1952740), (599, 1215980), (652, 1117135), (746, 976370), (815, 893708), (1198, 607990), (1492, 488185), (1630, 446854), (1865, 390548), (2396, 303995), (2995, 243196), (3260, 223427), (3730, 195274), (5990, 121598), (7460, 97637), (11980, 60799)]