298713100

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{1097}}^1$

素因数の和:1507

約数の個数: 72

約数和(自身を含む): 743389920

約数和(自身を除く): 444676820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 50, 70, 100, 140, 175, 350, 389, 700, 778, 1097, 1556, 1945, 2194, 2723, 3890, 4388, 5446, 5485, 7679, 7780, 9725, 10892, 10970, 13615, 15358, 19450, 21940, 27230, 27425, 30716, 38395, 38900, 54460, 54850, 68075, 76790, 109700, 136150, 153580, 191975, 272300, 383950, 426733, 767900, 853466, 1706932, 2133665, 2987131, 4267330, 5974262, 8534660, 10668325, 11948524, 14935655, 21336650, 29871310, 42673300, 59742620, 74678275, 149356550, 298713100]

約数ペア:

[(1, 298713100), (2, 149356550), (4, 74678275), (5, 59742620), (7, 42673300), (10, 29871310), (14, 21336650), (20, 14935655), (25, 11948524), (28, 10668325), (35, 8534660), (50, 5974262), (70, 4267330), (100, 2987131), (140, 2133665), (175, 1706932), (350, 853466), (389, 767900), (700, 426733), (778, 383950), (1097, 272300), (1556, 191975), (1945, 153580), (2194, 136150), (2723, 109700), (3890, 76790), (4388, 68075), (5446, 54850), (5485, 54460), (7679, 38900), (7780, 38395), (9725, 30716), (10892, 27425), (10970, 27230), (13615, 21940), (15358, 19450)]