28098620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{683}}^1$

素因数の和:731

約数の個数: 72

約数和(自身を含む): 68774832

約数和(自身を除く): 40676212

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 121, 170, 187, 220, 242, 340, 374, 484, 605, 683, 748, 935, 1210, 1366, 1870, 2057, 2420, 2732, 3415, 3740, 4114, 6830, 7513, 8228, 10285, 11611, 13660, 15026, 20570, 23222, 30052, 37565, 41140, 46444, 58055, 75130, 82643, 116110, 127721, 150260, 165286, 232220, 255442, 330572, 413215, 510884, 638605, 826430, 1277210, 1404931, 1652860, 2554420, 2809862, 5619724, 7024655, 14049310, 28098620]

約数ペア:

[(1, 28098620), (2, 14049310), (4, 7024655), (5, 5619724), (10, 2809862), (11, 2554420), (17, 1652860), (20, 1404931), (22, 1277210), (34, 826430), (44, 638605), (55, 510884), (68, 413215), (85, 330572), (110, 255442), (121, 232220), (170, 165286), (187, 150260), (220, 127721), (242, 116110), (340, 82643), (374, 75130), (484, 58055), (605, 46444), (683, 41140), (748, 37565), (935, 30052), (1210, 23222), (1366, 20570), (1870, 15026), (2057, 13660), (2420, 11611), (2732, 10285), (3415, 8228), (3740, 7513), (4114, 6830)]