142839508

素因数分解:

$2^2\times 7^2\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{263}}^1$

素因数の和:461

約数の個数: 72

約数和(自身を含む): 310951872

約数和(自身を除く): 168112364

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 49, 68, 98, 119, 163, 196, 238, 263, 326, 476, 526, 652, 833, 1052, 1141, 1666, 1841, 2282, 2771, 3332, 3682, 4471, 4564, 5542, 7364, 7987, 8942, 11084, 12887, 15974, 17884, 19397, 25774, 31297, 31948, 38794, 42869, 51548, 62594, 77588, 85738, 125188, 135779, 171476, 219079, 271558, 300083, 438158, 543116, 600166, 728773, 876316, 1200332, 1457546, 2100581, 2915092, 4201162, 5101411, 8402324, 10202822, 20405644, 35709877, 71419754, 142839508]

約数ペア:

[(1, 142839508), (2, 71419754), (4, 35709877), (7, 20405644), (14, 10202822), (17, 8402324), (28, 5101411), (34, 4201162), (49, 2915092), (68, 2100581), (98, 1457546), (119, 1200332), (163, 876316), (196, 728773), (238, 600166), (263, 543116), (326, 438158), (476, 300083), (526, 271558), (652, 219079), (833, 171476), (1052, 135779), (1141, 125188), (1666, 85738), (1841, 77588), (2282, 62594), (2771, 51548), (3332, 42869), (3682, 38794), (4471, 31948), (4564, 31297), (5542, 25774), (7364, 19397), (7987, 17884), (8942, 15974), (11084, 12887)]