278231008825

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^3\times {\mathrm{251}}^1\times {\mathrm{4759}}^1$

素因数の和:5060

約数の個数: 96

約数和(自身を含む): 435512125440

約数和(自身を除く): 157281116615

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 121, 175, 251, 275, 385, 605, 847, 1255, 1331, 1757, 1925, 2761, 3025, 4235, 4759, 6275, 6655, 8785, 9317, 13805, 19327, 21175, 23795, 30371, 33275, 33313, 43925, 46585, 52349, 69025, 96635, 118975, 151855, 166565, 212597, 232925, 261745, 334081, 366443, 483175, 575839, 759275, 832825, 1062985, 1194509, 1308725, 1670405, 1832215, 2338567, 2879195, 4030873, 5314925, 5972545, 6334229, 8352025, 8361563, 9161075, 11692835, 13139599, 14395975, 20154365, 29862725, 31671145, 41807815, 44339603, 58464175, 65697995, 91977193, 100771825, 144535589, 158355725, 209039075, 221698015, 328489975, 459885965, 722677945, 1011749123, 1108490075, 1589891479, 2299429825, 3613389725, 5058745615, 7949457395, 11129240353, 25293728075, 39747286975, 55646201765, 278231008825]

約数ペア:

[(1, 278231008825), (5, 55646201765), (7, 39747286975), (11, 25293728075), (25, 11129240353), (35, 7949457395), (55, 5058745615), (77, 3613389725), (121, 2299429825), (175, 1589891479), (251, 1108490075), (275, 1011749123), (385, 722677945), (605, 459885965), (847, 328489975), (1255, 221698015), (1331, 209039075), (1757, 158355725), (1925, 144535589), (2761, 100771825), (3025, 91977193), (4235, 65697995), (4759, 58464175), (6275, 44339603), (6655, 41807815), (8785, 31671145), (9317, 29862725), (13805, 20154365), (19327, 14395975), (21175, 13139599), (23795, 11692835), (30371, 9161075), (33275, 8361563), (33313, 8352025), (43925, 6334229), (46585, 5972545), (52349, 5314925), (69025, 4030873), (96635, 2879195), (118975, 2338567), (151855, 1832215), (166565, 1670405), (212597, 1308725), (232925, 1194509), (261745, 1062985), (334081, 832825), (366443, 759275), (483175, 575839)]