8889083140

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{563}}^1\times {\mathrm{16111}}^1$

素因数の和:16697

約数の個数: 72

約数和(自身を含む): 21754680192

約数和(自身を除く): 12865597052

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 563, 980, 1126, 2252, 2815, 3941, 5630, 7882, 11260, 15764, 16111, 19705, 27587, 32222, 39410, 55174, 64444, 78820, 80555, 110348, 112777, 137935, 161110, 225554, 275870, 322220, 451108, 551740, 563885, 789439, 1127770, 1578878, 2255540, 3157756, 3947195, 7894390, 9070493, 15788780, 18140986, 36281972, 45352465, 63493451, 90704930, 126986902, 181409860, 253973804, 317467255, 444454157, 634934510, 888908314, 1269869020, 1777816628, 2222270785, 4444541570, 8889083140]

約数ペア:

[(1, 8889083140), (2, 4444541570), (4, 2222270785), (5, 1777816628), (7, 1269869020), (10, 888908314), (14, 634934510), (20, 444454157), (28, 317467255), (35, 253973804), (49, 181409860), (70, 126986902), (98, 90704930), (140, 63493451), (196, 45352465), (245, 36281972), (490, 18140986), (563, 15788780), (980, 9070493), (1126, 7894390), (2252, 3947195), (2815, 3157756), (3941, 2255540), (5630, 1578878), (7882, 1127770), (11260, 789439), (15764, 563885), (16111, 551740), (19705, 451108), (27587, 322220), (32222, 275870), (39410, 225554), (55174, 161110), (64444, 137935), (78820, 112777), (80555, 110348)]