221287980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{7481}}^1$

素因数の和:7539

約数の個数: 96

約数和(自身を含む): 678767040

約数和(自身を除く): 457479060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 20, 29, 30, 34, 51, 58, 60, 68, 85, 87, 102, 116, 145, 170, 174, 204, 255, 290, 340, 348, 435, 493, 510, 580, 870, 986, 1020, 1479, 1740, 1972, 2465, 2958, 4930, 5916, 7395, 7481, 9860, 14790, 14962, 22443, 29580, 29924, 37405, 44886, 74810, 89772, 112215, 127177, 149620, 216949, 224430, 254354, 381531, 433898, 448860, 508708, 635885, 650847, 763062, 867796, 1084745, 1271770, 1301694, 1526124, 1907655, 2169490, 2543540, 2603388, 3254235, 3688133, 3815310, 4338980, 6508470, 7376266, 7630620, 11064399, 13016940, 14752532, 18440665, 22128798, 36881330, 44257596, 55321995, 73762660, 110643990, 221287980]

約数ペア:

[(1, 221287980), (2, 110643990), (3, 73762660), (4, 55321995), (5, 44257596), (6, 36881330), (10, 22128798), (12, 18440665), (15, 14752532), (17, 13016940), (20, 11064399), (29, 7630620), (30, 7376266), (34, 6508470), (51, 4338980), (58, 3815310), (60, 3688133), (68, 3254235), (85, 2603388), (87, 2543540), (102, 2169490), (116, 1907655), (145, 1526124), (170, 1301694), (174, 1271770), (204, 1084745), (255, 867796), (290, 763062), (340, 650847), (348, 635885), (435, 508708), (493, 448860), (510, 433898), (580, 381531), (870, 254354), (986, 224430), (1020, 216949), (1479, 149620), (1740, 127177), (1972, 112215), (2465, 89772), (2958, 74810), (4930, 44886), (5916, 37405), (7395, 29924), (7481, 29580), (9860, 22443), (14790, 14962)]