812702940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1935007}}^1$

素因数の和:1935026

約数の個数: 48

約数和(自身を含む): 2600650752

約数和(自身を除く): 1787947812

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1935007, 3870014, 5805021, 7740028, 9675035, 11610042, 13545049, 19350070, 23220084, 27090098, 29025105, 38700140, 40635147, 54180196, 58050210, 67725245, 81270294, 116100420, 135450490, 162540588, 203175735, 270900980, 406351470, 812702940]

約数ペア:

[(1, 812702940), (2, 406351470), (3, 270900980), (4, 203175735), (5, 162540588), (6, 135450490), (7, 116100420), (10, 81270294), (12, 67725245), (14, 58050210), (15, 54180196), (20, 40635147), (21, 38700140), (28, 29025105), (30, 27090098), (35, 23220084), (42, 19350070), (60, 13545049), (70, 11610042), (84, 9675035), (105, 7740028), (140, 5805021), (210, 3870014), (420, 1935007)]