38380000

素因数分解:

$2^5\times 5^4\times {\mathrm{19}}^1\times {\mathrm{101}}^1$

素因数の和:150

約数の個数: 120

約数和(自身を含む): 100374120

約数和(自身を除く): 61994120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 76, 80, 95, 100, 101, 125, 152, 160, 190, 200, 202, 250, 304, 380, 400, 404, 475, 500, 505, 608, 625, 760, 800, 808, 950, 1000, 1010, 1250, 1520, 1616, 1900, 1919, 2000, 2020, 2375, 2500, 2525, 3040, 3232, 3800, 3838, 4000, 4040, 4750, 5000, 5050, 7600, 7676, 8080, 9500, 9595, 10000, 10100, 11875, 12625, 15200, 15352, 16160, 19000, 19190, 20000, 20200, 23750, 25250, 30704, 38000, 38380, 40400, 47500, 47975, 50500, 61408, 63125, 76000, 76760, 80800, 95000, 95950, 101000, 126250, 153520, 190000, 191900, 202000, 239875, 252500, 307040, 380000, 383800, 404000, 479750, 505000, 767600, 959500, 1010000, 1199375, 1535200, 1919000, 2020000, 2398750, 3838000, 4797500, 7676000, 9595000, 19190000, 38380000]

約数ペア:

[(1, 38380000), (2, 19190000), (4, 9595000), (5, 7676000), (8, 4797500), (10, 3838000), (16, 2398750), (19, 2020000), (20, 1919000), (25, 1535200), (32, 1199375), (38, 1010000), (40, 959500), (50, 767600), (76, 505000), (80, 479750), (95, 404000), (100, 383800), (101, 380000), (125, 307040), (152, 252500), (160, 239875), (190, 202000), (200, 191900), (202, 190000), (250, 153520), (304, 126250), (380, 101000), (400, 95950), (404, 95000), (475, 80800), (500, 76760), (505, 76000), (608, 63125), (625, 61408), (760, 50500), (800, 47975), (808, 47500), (950, 40400), (1000, 38380), (1010, 38000), (1250, 30704), (1520, 25250), (1616, 23750), (1900, 20200), (1919, 20000), (2000, 19190), (2020, 19000), (2375, 16160), (2500, 15352), (2525, 15200), (3040, 12625), (3232, 11875), (3800, 10100), (3838, 10000), (4000, 9595), (4040, 9500), (4750, 8080), (5000, 7676), (5050, 7600)]