1801070000

素因数分解:

$2^4\times 5^4\times {\mathrm{389}}^1\times {\mathrm{463}}^1$

素因数の和:880

約数の個数: 100

約数和(自身を含む): 4381222560

約数和(自身を除く): 2580152560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 389, 400, 463, 500, 625, 778, 926, 1000, 1250, 1556, 1852, 1945, 2000, 2315, 2500, 3112, 3704, 3890, 4630, 5000, 6224, 7408, 7780, 9260, 9725, 10000, 11575, 15560, 18520, 19450, 23150, 31120, 37040, 38900, 46300, 48625, 57875, 77800, 92600, 97250, 115750, 155600, 180107, 185200, 194500, 231500, 243125, 289375, 360214, 389000, 463000, 486250, 578750, 720428, 778000, 900535, 926000, 972500, 1157500, 1440856, 1801070, 1945000, 2315000, 2881712, 3602140, 3890000, 4502675, 4630000, 7204280, 9005350, 14408560, 18010700, 22513375, 36021400, 45026750, 72042800, 90053500, 112566875, 180107000, 225133750, 360214000, 450267500, 900535000, 1801070000]

約数ペア:

[(1, 1801070000), (2, 900535000), (4, 450267500), (5, 360214000), (8, 225133750), (10, 180107000), (16, 112566875), (20, 90053500), (25, 72042800), (40, 45026750), (50, 36021400), (80, 22513375), (100, 18010700), (125, 14408560), (200, 9005350), (250, 7204280), (389, 4630000), (400, 4502675), (463, 3890000), (500, 3602140), (625, 2881712), (778, 2315000), (926, 1945000), (1000, 1801070), (1250, 1440856), (1556, 1157500), (1852, 972500), (1945, 926000), (2000, 900535), (2315, 778000), (2500, 720428), (3112, 578750), (3704, 486250), (3890, 463000), (4630, 389000), (5000, 360214), (6224, 289375), (7408, 243125), (7780, 231500), (9260, 194500), (9725, 185200), (10000, 180107), (11575, 155600), (15560, 115750), (18520, 97250), (19450, 92600), (23150, 77800), (31120, 57875), (37040, 48625), (38900, 46300)]