87841740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{209147}}^1$

素因数の和:209166

約数の個数: 48

約数和(自身を含む): 281094912

約数和(自身を除く): 193253172

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, 209147, 418294, 627441, 836588, 1045735, 1254882, 1464029, 2091470, 2509764, 2928058, 3137205, 4182940, 4392087, 5856116, 6274410, 7320145, 8784174, 12548820, 14640290, 17568348, 21960435, 29280580, 43920870, 87841740]

約数ペア:

[(1, 87841740), (2, 43920870), (3, 29280580), (4, 21960435), (5, 17568348), (6, 14640290), (7, 12548820), (10, 8784174), (12, 7320145), (14, 6274410), (15, 5856116), (20, 4392087), (21, 4182940), (28, 3137205), (30, 2928058), (35, 2509764), (42, 2091470), (60, 1464029), (70, 1254882), (84, 1045735), (105, 836588), (140, 627441), (210, 418294), (420, 209147)]