2912302900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{751}}^1$

素因数の和:954

約数の個数: 144

約数和(自身を含む): 7219260160

約数和(自身を除く): 4306957260

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 25, 26, 38, 50, 52, 65, 76, 95, 100, 130, 157, 190, 247, 260, 314, 325, 380, 475, 494, 628, 650, 751, 785, 950, 988, 1235, 1300, 1502, 1570, 1900, 2041, 2470, 2983, 3004, 3140, 3755, 3925, 4082, 4940, 5966, 6175, 7510, 7850, 8164, 9763, 10205, 11932, 12350, 14269, 14915, 15020, 15700, 18775, 19526, 20410, 24700, 28538, 29830, 37550, 38779, 39052, 40820, 48815, 51025, 57076, 59660, 71345, 74575, 75100, 77558, 97630, 102050, 117907, 142690, 149150, 155116, 185497, 193895, 195260, 204100, 235814, 244075, 285380, 298300, 356725, 370994, 387790, 471628, 488150, 589535, 713450, 741988, 775580, 927485, 969475, 976300, 1179070, 1426900, 1532791, 1854970, 1938950, 2240233, 2358140, 2947675, 3065582, 3709940, 3877900, 4480466, 4637425, 5895350, 6131164, 7663955, 8960932, 9274850, 11201165, 11790700, 15327910, 18549700, 22402330, 29123029, 30655820, 38319775, 44804660, 56005825, 58246058, 76639550, 112011650, 116492116, 145615145, 153279100, 224023300, 291230290, 582460580, 728075725, 1456151450, 2912302900]

約数ペア:

[(1, 2912302900), (2, 1456151450), (4, 728075725), (5, 582460580), (10, 291230290), (13, 224023300), (19, 153279100), (20, 145615145), (25, 116492116), (26, 112011650), (38, 76639550), (50, 58246058), (52, 56005825), (65, 44804660), (76, 38319775), (95, 30655820), (100, 29123029), (130, 22402330), (157, 18549700), (190, 15327910), (247, 11790700), (260, 11201165), (314, 9274850), (325, 8960932), (380, 7663955), (475, 6131164), (494, 5895350), (628, 4637425), (650, 4480466), (751, 3877900), (785, 3709940), (950, 3065582), (988, 2947675), (1235, 2358140), (1300, 2240233), (1502, 1938950), (1570, 1854970), (1900, 1532791), (2041, 1426900), (2470, 1179070), (2983, 976300), (3004, 969475), (3140, 927485), (3755, 775580), (3925, 741988), (4082, 713450), (4940, 589535), (5966, 488150), (6175, 471628), (7510, 387790), (7850, 370994), (8164, 356725), (9763, 298300), (10205, 285380), (11932, 244075), (12350, 235814), (14269, 204100), (14915, 195260), (15020, 193895), (15700, 185497), (18775, 155116), (19526, 149150), (20410, 142690), (24700, 117907), (28538, 102050), (29830, 97630), (37550, 77558), (38779, 75100), (39052, 74575), (40820, 71345), (48815, 59660), (51025, 57076)]