87801700

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2917}}^1$

素因数の和:2981

約数の個数: 72

約数和(自身を含む): 222888512

約数和(自身を除く): 135086812

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 25, 28, 35, 43, 50, 70, 86, 100, 140, 172, 175, 215, 301, 350, 430, 602, 700, 860, 1075, 1204, 1505, 2150, 2917, 3010, 4300, 5834, 6020, 7525, 11668, 14585, 15050, 20419, 29170, 30100, 40838, 58340, 72925, 81676, 102095, 125431, 145850, 204190, 250862, 291700, 408380, 501724, 510475, 627155, 878017, 1020950, 1254310, 1756034, 2041900, 2508620, 3135775, 3512068, 4390085, 6271550, 8780170, 12543100, 17560340, 21950425, 43900850, 87801700]

約数ペア:

[(1, 87801700), (2, 43900850), (4, 21950425), (5, 17560340), (7, 12543100), (10, 8780170), (14, 6271550), (20, 4390085), (25, 3512068), (28, 3135775), (35, 2508620), (43, 2041900), (50, 1756034), (70, 1254310), (86, 1020950), (100, 878017), (140, 627155), (172, 510475), (175, 501724), (215, 408380), (301, 291700), (350, 250862), (430, 204190), (602, 145850), (700, 125431), (860, 102095), (1075, 81676), (1204, 72925), (1505, 58340), (2150, 40838), (2917, 30100), (3010, 29170), (4300, 20419), (5834, 15050), (6020, 14585), (7525, 11668)]