28908750

素因数分解:

$2^1\times 3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{593}}^1$

素因数の和:631

約数の個数: 80

約数和(自身を含む): 77937552

約数和(自身を除く): 49028802

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 25, 26, 30, 39, 50, 65, 75, 78, 125, 130, 150, 195, 250, 325, 375, 390, 593, 625, 650, 750, 975, 1186, 1250, 1625, 1779, 1875, 1950, 2965, 3250, 3558, 3750, 4875, 5930, 7709, 8125, 8895, 9750, 14825, 15418, 16250, 17790, 23127, 24375, 29650, 38545, 44475, 46254, 48750, 74125, 77090, 88950, 115635, 148250, 192725, 222375, 231270, 370625, 385450, 444750, 578175, 741250, 963625, 1111875, 1156350, 1927250, 2223750, 2890875, 4818125, 5781750, 9636250, 14454375, 28908750]

約数ペア:

[(1, 28908750), (2, 14454375), (3, 9636250), (5, 5781750), (6, 4818125), (10, 2890875), (13, 2223750), (15, 1927250), (25, 1156350), (26, 1111875), (30, 963625), (39, 741250), (50, 578175), (65, 444750), (75, 385450), (78, 370625), (125, 231270), (130, 222375), (150, 192725), (195, 148250), (250, 115635), (325, 88950), (375, 77090), (390, 74125), (593, 48750), (625, 46254), (650, 44475), (750, 38545), (975, 29650), (1186, 24375), (1250, 23127), (1625, 17790), (1779, 16250), (1875, 15418), (1950, 14825), (2965, 9750), (3250, 8895), (3558, 8125), (3750, 7709), (4875, 5930)]