100859920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{389}}^1\times {\mathrm{463}}^1$

素因数の和:872

約数の個数: 80

約数和(自身を含む): 269268480

約数和(自身を除く): 168408560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 389, 463, 560, 778, 926, 1556, 1852, 1945, 2315, 2723, 3112, 3241, 3704, 3890, 4630, 5446, 6224, 6482, 7408, 7780, 9260, 10892, 12964, 13615, 15560, 16205, 18520, 21784, 25928, 27230, 31120, 32410, 37040, 43568, 51856, 54460, 64820, 108920, 129640, 180107, 217840, 259280, 360214, 720428, 900535, 1260749, 1440856, 1801070, 2521498, 2881712, 3602140, 5042996, 6303745, 7204280, 10085992, 12607490, 14408560, 20171984, 25214980, 50429960, 100859920]

約数ペア:

[(1, 100859920), (2, 50429960), (4, 25214980), (5, 20171984), (7, 14408560), (8, 12607490), (10, 10085992), (14, 7204280), (16, 6303745), (20, 5042996), (28, 3602140), (35, 2881712), (40, 2521498), (56, 1801070), (70, 1440856), (80, 1260749), (112, 900535), (140, 720428), (280, 360214), (389, 259280), (463, 217840), (560, 180107), (778, 129640), (926, 108920), (1556, 64820), (1852, 54460), (1945, 51856), (2315, 43568), (2723, 37040), (3112, 32410), (3241, 31120), (3704, 27230), (3890, 25928), (4630, 21784), (5446, 18520), (6224, 16205), (6482, 15560), (7408, 13615), (7780, 12964), (9260, 10892)]