971881640

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{643}}^1\times {\mathrm{1303}}^1$

素因数の和:1986

約数の個数: 64

約数和(自身を含む): 2267395200

約数和(自身を除く): 1295513560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 643, 1160, 1286, 1303, 2572, 2606, 3215, 5144, 5212, 6430, 6515, 10424, 12860, 13030, 18647, 25720, 26060, 37294, 37787, 52120, 74588, 75574, 93235, 149176, 151148, 186470, 188935, 302296, 372940, 377870, 745880, 755740, 837829, 1511480, 1675658, 3351316, 4189145, 6702632, 8378290, 16756580, 24297041, 33513160, 48594082, 97188164, 121485205, 194376328, 242970410, 485940820, 971881640]

約数ペア:

[(1, 971881640), (2, 485940820), (4, 242970410), (5, 194376328), (8, 121485205), (10, 97188164), (20, 48594082), (29, 33513160), (40, 24297041), (58, 16756580), (116, 8378290), (145, 6702632), (232, 4189145), (290, 3351316), (580, 1675658), (643, 1511480), (1160, 837829), (1286, 755740), (1303, 745880), (2572, 377870), (2606, 372940), (3215, 302296), (5144, 188935), (5212, 186470), (6430, 151148), (6515, 149176), (10424, 93235), (12860, 75574), (13030, 74588), (18647, 52120), (25720, 37787), (26060, 37294)]