320430725

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:570

約数の個数: 48

約数和(自身を含む): 441876480

約数和(自身を除く): 121445755

約数列:

[1, 5, 19, 25, 31, 47, 95, 155, 235, 463, 475, 589, 775, 893, 1175, 1457, 2315, 2945, 4465, 7285, 8797, 11575, 14353, 14725, 21761, 22325, 27683, 36425, 43985, 71765, 108805, 138415, 219925, 272707, 358825, 413459, 544025, 674591, 692075, 1363535, 2067295, 3372955, 6817675, 10336475, 12817229, 16864775, 64086145, 320430725]

約数ペア:

[(1, 320430725), (5, 64086145), (19, 16864775), (25, 12817229), (31, 10336475), (47, 6817675), (95, 3372955), (155, 2067295), (235, 1363535), (463, 692075), (475, 674591), (589, 544025), (775, 413459), (893, 358825), (1175, 272707), (1457, 219925), (2315, 138415), (2945, 108805), (4465, 71765), (7285, 43985), (8797, 36425), (11575, 27683), (14353, 22325), (14725, 21761)]