28476250

素因数分解:

$2^1\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 80

約数和(自身を含む): 61855200

約数和(自身を除く): 33378950

約数列:

[1, 2, 5, 10, 11, 19, 22, 25, 38, 50, 55, 95, 109, 110, 125, 190, 209, 218, 250, 275, 418, 475, 545, 550, 625, 950, 1045, 1090, 1199, 1250, 1375, 2071, 2090, 2375, 2398, 2725, 2750, 4142, 4750, 5225, 5450, 5995, 6875, 10355, 10450, 11875, 11990, 13625, 13750, 20710, 22781, 23750, 26125, 27250, 29975, 45562, 51775, 52250, 59950, 68125, 103550, 113905, 130625, 136250, 149875, 227810, 258875, 261250, 299750, 517750, 569525, 749375, 1139050, 1294375, 1498750, 2588750, 2847625, 5695250, 14238125, 28476250]

約数ペア:

[(1, 28476250), (2, 14238125), (5, 5695250), (10, 2847625), (11, 2588750), (19, 1498750), (22, 1294375), (25, 1139050), (38, 749375), (50, 569525), (55, 517750), (95, 299750), (109, 261250), (110, 258875), (125, 227810), (190, 149875), (209, 136250), (218, 130625), (250, 113905), (275, 103550), (418, 68125), (475, 59950), (545, 52250), (550, 51775), (625, 45562), (950, 29975), (1045, 27250), (1090, 26125), (1199, 23750), (1250, 22781), (1375, 20710), (2071, 13750), (2090, 13625), (2375, 11990), (2398, 11875), (2725, 10450), (2750, 10355), (4142, 6875), (4750, 5995), (5225, 5450)]