996412900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{199}}^1\times {\mathrm{311}}^1$

素因数の和:554

約数の個数: 144

約数和(自身を含む): 2599833600

約数和(自身を除く): 1603420700

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 25, 28, 35, 46, 50, 70, 92, 100, 115, 140, 161, 175, 199, 230, 311, 322, 350, 398, 460, 575, 622, 644, 700, 796, 805, 995, 1150, 1244, 1393, 1555, 1610, 1990, 2177, 2300, 2786, 3110, 3220, 3980, 4025, 4354, 4577, 4975, 5572, 6220, 6965, 7153, 7775, 8050, 8708, 9154, 9950, 10885, 13930, 14306, 15550, 16100, 18308, 19900, 21770, 22885, 27860, 28612, 31100, 32039, 34825, 35765, 43540, 45770, 50071, 54425, 61889, 64078, 69650, 71530, 91540, 100142, 108850, 114425, 123778, 128156, 139300, 143060, 160195, 178825, 200284, 217700, 228850, 247556, 250355, 309445, 320390, 357650, 433223, 457700, 500710, 618890, 640780, 715300, 800975, 866446, 1001420, 1237780, 1251775, 1423447, 1547225, 1601950, 1732892, 2166115, 2503550, 2846894, 3094450, 3203900, 4332230, 5007100, 5693788, 6188900, 7117235, 8664460, 9964129, 10830575, 14234470, 19928258, 21661150, 28468940, 35586175, 39856516, 43322300, 49820645, 71172350, 99641290, 142344700, 199282580, 249103225, 498206450, 996412900]

約数ペア:

[(1, 996412900), (2, 498206450), (4, 249103225), (5, 199282580), (7, 142344700), (10, 99641290), (14, 71172350), (20, 49820645), (23, 43322300), (25, 39856516), (28, 35586175), (35, 28468940), (46, 21661150), (50, 19928258), (70, 14234470), (92, 10830575), (100, 9964129), (115, 8664460), (140, 7117235), (161, 6188900), (175, 5693788), (199, 5007100), (230, 4332230), (311, 3203900), (322, 3094450), (350, 2846894), (398, 2503550), (460, 2166115), (575, 1732892), (622, 1601950), (644, 1547225), (700, 1423447), (796, 1251775), (805, 1237780), (995, 1001420), (1150, 866446), (1244, 800975), (1393, 715300), (1555, 640780), (1610, 618890), (1990, 500710), (2177, 457700), (2300, 433223), (2786, 357650), (3110, 320390), (3220, 309445), (3980, 250355), (4025, 247556), (4354, 228850), (4577, 217700), (4975, 200284), (5572, 178825), (6220, 160195), (6965, 143060), (7153, 139300), (7775, 128156), (8050, 123778), (8708, 114425), (9154, 108850), (9950, 100142), (10885, 91540), (13930, 71530), (14306, 69650), (15550, 64078), (16100, 61889), (18308, 54425), (19900, 50071), (21770, 45770), (22885, 43540), (27860, 35765), (28612, 34825), (31100, 32039)]