178274140

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{37}}^1\times {\mathrm{181}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 425251008

約数和(自身を除く): 246976868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 121, 148, 181, 185, 220, 242, 362, 370, 407, 484, 605, 724, 740, 814, 905, 1210, 1331, 1628, 1810, 1991, 2035, 2420, 2662, 3620, 3982, 4070, 4477, 5324, 6655, 6697, 7964, 8140, 8954, 9955, 13310, 13394, 17908, 19910, 21901, 22385, 26620, 26788, 33485, 39820, 43802, 44770, 49247, 66970, 73667, 87604, 89540, 98494, 109505, 133940, 147334, 196988, 219010, 240911, 246235, 294668, 368335, 438020, 481822, 492470, 736670, 810337, 963644, 984940, 1204555, 1473340, 1620674, 2409110, 3241348, 4051685, 4818220, 8103370, 8913707, 16206740, 17827414, 35654828, 44568535, 89137070, 178274140]

約数ペア:

[(1, 178274140), (2, 89137070), (4, 44568535), (5, 35654828), (10, 17827414), (11, 16206740), (20, 8913707), (22, 8103370), (37, 4818220), (44, 4051685), (55, 3241348), (74, 2409110), (110, 1620674), (121, 1473340), (148, 1204555), (181, 984940), (185, 963644), (220, 810337), (242, 736670), (362, 492470), (370, 481822), (407, 438020), (484, 368335), (605, 294668), (724, 246235), (740, 240911), (814, 219010), (905, 196988), (1210, 147334), (1331, 133940), (1628, 109505), (1810, 98494), (1991, 89540), (2035, 87604), (2420, 73667), (2662, 66970), (3620, 49247), (3982, 44770), (4070, 43802), (4477, 39820), (5324, 33485), (6655, 26788), (6697, 26620), (7964, 22385), (8140, 21901), (8954, 19910), (9955, 17908), (13310, 13394)]