28464375

素因数分解:

$3^1\times 5^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 53982720

約数和(自身を除く): 25518345

約数列:

[1, 3, 5, 15, 17, 19, 25, 47, 51, 57, 75, 85, 95, 125, 141, 235, 255, 285, 323, 375, 425, 475, 625, 705, 799, 893, 969, 1175, 1275, 1425, 1615, 1875, 2125, 2375, 2397, 2679, 3525, 3995, 4465, 4845, 5875, 6375, 7125, 8075, 10625, 11875, 11985, 13395, 15181, 17625, 19975, 22325, 24225, 29375, 31875, 35625, 40375, 45543, 59925, 66975, 75905, 88125, 99875, 111625, 121125, 201875, 227715, 299625, 334875, 379525, 499375, 558125, 605625, 1138575, 1498125, 1674375, 1897625, 5692875, 9488125, 28464375]

約数ペア:

[(1, 28464375), (3, 9488125), (5, 5692875), (15, 1897625), (17, 1674375), (19, 1498125), (25, 1138575), (47, 605625), (51, 558125), (57, 499375), (75, 379525), (85, 334875), (95, 299625), (125, 227715), (141, 201875), (235, 121125), (255, 111625), (285, 99875), (323, 88125), (375, 75905), (425, 66975), (475, 59925), (625, 45543), (705, 40375), (799, 35625), (893, 31875), (969, 29375), (1175, 24225), (1275, 22325), (1425, 19975), (1615, 17625), (1875, 15181), (2125, 13395), (2375, 11985), (2397, 11875), (2679, 10625), (3525, 8075), (3995, 7125), (4465, 6375), (4845, 5875)]