201719840

素因数分解:

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

素因数の和:874

約数の個数: 96

約数和(自身を含む): 547223040

約数和(自身を除く): 345503200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 389, 463, 560, 778, 926, 1120, 1556, 1852, 1945, 2315, 2723, 3112, 3241, 3704, 3890, 4630, 5446, 6224, 6482, 7408, 7780, 9260, 10892, 12448, 12964, 13615, 14816, 15560, 16205, 18520, 21784, 25928, 27230, 31120, 32410, 37040, 43568, 51856, 54460, 62240, 64820, 74080, 87136, 103712, 108920, 129640, 180107, 217840, 259280, 360214, 435680, 518560, 720428, 900535, 1260749, 1440856, 1801070, 2521498, 2881712, 3602140, 5042996, 5763424, 6303745, 7204280, 10085992, 12607490, 14408560, 20171984, 25214980, 28817120, 40343968, 50429960, 100859920, 201719840]

約数ペア:

[(1, 201719840), (2, 100859920), (4, 50429960), (5, 40343968), (7, 28817120), (8, 25214980), (10, 20171984), (14, 14408560), (16, 12607490), (20, 10085992), (28, 7204280), (32, 6303745), (35, 5763424), (40, 5042996), (56, 3602140), (70, 2881712), (80, 2521498), (112, 1801070), (140, 1440856), (160, 1260749), (224, 900535), (280, 720428), (389, 518560), (463, 435680), (560, 360214), (778, 259280), (926, 217840), (1120, 180107), (1556, 129640), (1852, 108920), (1945, 103712), (2315, 87136), (2723, 74080), (3112, 64820), (3241, 62240), (3704, 54460), (3890, 51856), (4630, 43568), (5446, 37040), (6224, 32410), (6482, 31120), (7408, 27230), (7780, 25928), (9260, 21784), (10892, 18520), (12448, 16205), (12964, 15560), (13615, 14816)]