27404860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3209}}^1$

素因数の和:3286

約数の個数: 48

約数和(自身を含む): 66870720

約数和(自身を除く): 39465860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 61, 70, 122, 140, 244, 305, 427, 610, 854, 1220, 1708, 2135, 3209, 4270, 6418, 8540, 12836, 16045, 22463, 32090, 44926, 64180, 89852, 112315, 195749, 224630, 391498, 449260, 782996, 978745, 1370243, 1957490, 2740486, 3914980, 5480972, 6851215, 13702430, 27404860]

約数ペア:

[(1, 27404860), (2, 13702430), (4, 6851215), (5, 5480972), (7, 3914980), (10, 2740486), (14, 1957490), (20, 1370243), (28, 978745), (35, 782996), (61, 449260), (70, 391498), (122, 224630), (140, 195749), (244, 112315), (305, 89852), (427, 64180), (610, 44926), (854, 32090), (1220, 22463), (1708, 16045), (2135, 12836), (3209, 8540), (4270, 6418)]