984658480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{4957}}^1$

素因数の和:5174

約数の個数: 80

約数和(自身を含む): 2478841344

約数和(自身を除く): 1494182864

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 191, 208, 260, 382, 520, 764, 955, 1040, 1528, 1910, 2483, 3056, 3820, 4957, 4966, 7640, 9914, 9932, 12415, 15280, 19828, 19864, 24785, 24830, 39656, 39728, 49570, 49660, 64441, 79312, 99140, 99320, 128882, 198280, 198640, 257764, 322205, 396560, 515528, 644410, 946787, 1031056, 1288820, 1893574, 2577640, 3787148, 4733935, 5155280, 7574296, 9467870, 12308231, 15148592, 18935740, 24616462, 37871480, 49232924, 61541155, 75742960, 98465848, 123082310, 196931696, 246164620, 492329240, 984658480]

約数ペア:

[(1, 984658480), (2, 492329240), (4, 246164620), (5, 196931696), (8, 123082310), (10, 98465848), (13, 75742960), (16, 61541155), (20, 49232924), (26, 37871480), (40, 24616462), (52, 18935740), (65, 15148592), (80, 12308231), (104, 9467870), (130, 7574296), (191, 5155280), (208, 4733935), (260, 3787148), (382, 2577640), (520, 1893574), (764, 1288820), (955, 1031056), (1040, 946787), (1528, 644410), (1910, 515528), (2483, 396560), (3056, 322205), (3820, 257764), (4957, 198640), (4966, 198280), (7640, 128882), (9914, 99320), (9932, 99140), (12415, 79312), (15280, 64441), (19828, 49660), (19864, 49570), (24785, 39728), (24830, 39656)]