78867460

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3499}}^1$

素因数の和:3545

約数の個数: 72

約数和(自身を含む): 201096000

約数和(自身を除く): 122228540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 3499, 4508, 5635, 6998, 11270, 13996, 17495, 22540, 24493, 34990, 48986, 69980, 80477, 97972, 122465, 160954, 171451, 244930, 321908, 342902, 402385, 489860, 563339, 685804, 804770, 857255, 1126678, 1609540, 1714510, 2253356, 2816695, 3429020, 3943373, 5633390, 7886746, 11266780, 15773492, 19716865, 39433730, 78867460]

約数ペア:

[(1, 78867460), (2, 39433730), (4, 19716865), (5, 15773492), (7, 11266780), (10, 7886746), (14, 5633390), (20, 3943373), (23, 3429020), (28, 2816695), (35, 2253356), (46, 1714510), (49, 1609540), (70, 1126678), (92, 857255), (98, 804770), (115, 685804), (140, 563339), (161, 489860), (196, 402385), (230, 342902), (245, 321908), (322, 244930), (460, 171451), (490, 160954), (644, 122465), (805, 97972), (980, 80477), (1127, 69980), (1610, 48986), (2254, 34990), (3220, 24493), (3499, 22540), (4508, 17495), (5635, 13996), (6998, 11270)]