2912809000

素因数分解:

$2^3\times 5^3\times {\mathrm{79}}^1\times {\mathrm{36871}}^1$

素因数の和:36971

約数の個数: 64

約数和(自身を含む): 6902438400

約数和(自身を除く): 3989629400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 125, 158, 200, 250, 316, 395, 500, 632, 790, 1000, 1580, 1975, 3160, 3950, 7900, 9875, 15800, 19750, 36871, 39500, 73742, 79000, 147484, 184355, 294968, 368710, 737420, 921775, 1474840, 1843550, 2912809, 3687100, 4608875, 5825618, 7374200, 9217750, 11651236, 14564045, 18435500, 23302472, 29128090, 36871000, 58256180, 72820225, 116512360, 145640450, 291280900, 364101125, 582561800, 728202250, 1456404500, 2912809000]

約数ペア:

[(1, 2912809000), (2, 1456404500), (4, 728202250), (5, 582561800), (8, 364101125), (10, 291280900), (20, 145640450), (25, 116512360), (40, 72820225), (50, 58256180), (79, 36871000), (100, 29128090), (125, 23302472), (158, 18435500), (200, 14564045), (250, 11651236), (316, 9217750), (395, 7374200), (500, 5825618), (632, 4608875), (790, 3687100), (1000, 2912809), (1580, 1843550), (1975, 1474840), (3160, 921775), (3950, 737420), (7900, 368710), (9875, 294968), (15800, 184355), (19750, 147484), (36871, 79000), (39500, 73742)]