1987314630

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{227}}^1\times {\mathrm{887}}^1$

素因数の和:1178

約数の個数: 128

約数和(自身を含む): 5597724672

約数和(自身を除く): 3610410042

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 47, 70, 94, 105, 141, 210, 227, 235, 282, 329, 454, 470, 658, 681, 705, 887, 987, 1135, 1362, 1410, 1589, 1645, 1774, 1974, 2270, 2661, 3178, 3290, 3405, 4435, 4767, 4935, 5322, 6209, 6810, 7945, 8870, 9534, 9870, 10669, 12418, 13305, 15890, 18627, 21338, 23835, 26610, 31045, 32007, 37254, 41689, 47670, 53345, 62090, 64014, 74683, 83378, 93135, 106690, 125067, 149366, 160035, 186270, 201349, 208445, 224049, 250134, 291823, 320070, 373415, 402698, 416890, 448098, 583646, 604047, 625335, 746830, 875469, 1006745, 1120245, 1208094, 1250670, 1409443, 1459115, 1750938, 2013490, 2240490, 2818886, 2918230, 3020235, 4228329, 4377345, 6040470, 7047215, 8456658, 8754690, 9463403, 14094430, 18926806, 21141645, 28390209, 42283290, 47317015, 56780418, 66243821, 94634030, 132487642, 141951045, 198731463, 283902090, 331219105, 397462926, 662438210, 993657315, 1987314630]

約数ペア:

[(1, 1987314630), (2, 993657315), (3, 662438210), (5, 397462926), (6, 331219105), (7, 283902090), (10, 198731463), (14, 141951045), (15, 132487642), (21, 94634030), (30, 66243821), (35, 56780418), (42, 47317015), (47, 42283290), (70, 28390209), (94, 21141645), (105, 18926806), (141, 14094430), (210, 9463403), (227, 8754690), (235, 8456658), (282, 7047215), (329, 6040470), (454, 4377345), (470, 4228329), (658, 3020235), (681, 2918230), (705, 2818886), (887, 2240490), (987, 2013490), (1135, 1750938), (1362, 1459115), (1410, 1409443), (1589, 1250670), (1645, 1208094), (1774, 1120245), (1974, 1006745), (2270, 875469), (2661, 746830), (3178, 625335), (3290, 604047), (3405, 583646), (4435, 448098), (4767, 416890), (4935, 402698), (5322, 373415), (6209, 320070), (6810, 291823), (7945, 250134), (8870, 224049), (9534, 208445), (9870, 201349), (10669, 186270), (12418, 160035), (13305, 149366), (15890, 125067), (18627, 106690), (21338, 93135), (23835, 83378), (26610, 74683), (31045, 64014), (32007, 62090), (37254, 53345), (41689, 47670)]