1985280375

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{1439}}^1$

素因数の和:1753

約数の個数: 64

約数和(自身を含む): 3572674560

約数和(自身を除く): 1587394185

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 125, 195, 283, 325, 375, 849, 975, 1415, 1439, 1625, 3679, 4245, 4317, 4875, 7075, 7195, 11037, 18395, 18707, 21225, 21585, 35375, 35975, 55185, 56121, 91975, 93535, 106125, 107925, 179875, 275925, 280605, 407237, 459875, 467675, 539625, 1221711, 1379625, 1403025, 2036185, 2338375, 5294081, 6108555, 7015125, 10180925, 15882243, 26470405, 30542775, 50904625, 79411215, 132352025, 152713875, 397056075, 661760125, 1985280375]

約数ペア:

[(1, 1985280375), (3, 661760125), (5, 397056075), (13, 152713875), (15, 132352025), (25, 79411215), (39, 50904625), (65, 30542775), (75, 26470405), (125, 15882243), (195, 10180925), (283, 7015125), (325, 6108555), (375, 5294081), (849, 2338375), (975, 2036185), (1415, 1403025), (1439, 1379625), (1625, 1221711), (3679, 539625), (4245, 467675), (4317, 459875), (4875, 407237), (7075, 280605), (7195, 275925), (11037, 179875), (18395, 107925), (18707, 106125), (21225, 93535), (21585, 91975), (35375, 56121), (35975, 55185)]