244521025

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:239

約数の個数: 72

約数和(自身を含む): 374547456

約数和(自身を除く): 130026431

約数列:

[1, 5, 7, 25, 31, 35, 47, 49, 137, 155, 175, 217, 235, 245, 329, 685, 775, 959, 1085, 1175, 1225, 1457, 1519, 1645, 2303, 3425, 4247, 4795, 5425, 6439, 6713, 7285, 7595, 8225, 10199, 11515, 21235, 23975, 29729, 32195, 33565, 36425, 37975, 45073, 50995, 57575, 71393, 106175, 148645, 160975, 167825, 199609, 208103, 225365, 254975, 315511, 356965, 743225, 998045, 1040515, 1126825, 1397263, 1577555, 1784825, 4990225, 5202575, 6986315, 7887775, 9780841, 34931575, 48904205, 244521025]

約数ペア:

[(1, 244521025), (5, 48904205), (7, 34931575), (25, 9780841), (31, 7887775), (35, 6986315), (47, 5202575), (49, 4990225), (137, 1784825), (155, 1577555), (175, 1397263), (217, 1126825), (235, 1040515), (245, 998045), (329, 743225), (685, 356965), (775, 315511), (959, 254975), (1085, 225365), (1175, 208103), (1225, 199609), (1457, 167825), (1519, 160975), (1645, 148645), (2303, 106175), (3425, 71393), (4247, 57575), (4795, 50995), (5425, 45073), (6439, 37975), (6713, 36425), (7285, 33565), (7595, 32195), (8225, 29729), (10199, 23975), (11515, 21235)]