28903750

素因数分解:

$2^1\times 5^4\times {\mathrm{19}}^1\times {\mathrm{1217}}^1$

素因数の和:1258

約数の個数: 40

約数和(自身を含む): 57075480

約数和(自身を除く): 28171730

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 125, 190, 250, 475, 625, 950, 1217, 1250, 2375, 2434, 4750, 6085, 11875, 12170, 23123, 23750, 30425, 46246, 60850, 115615, 152125, 231230, 304250, 578075, 760625, 1156150, 1521250, 2890375, 5780750, 14451875, 28903750]

約数ペア:

[(1, 28903750), (2, 14451875), (5, 5780750), (10, 2890375), (19, 1521250), (25, 1156150), (38, 760625), (50, 578075), (95, 304250), (125, 231230), (190, 152125), (250, 115615), (475, 60850), (625, 46246), (950, 30425), (1217, 23750), (1250, 23123), (2375, 12170), (2434, 11875), (4750, 6085)]