28249580

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4373}}^1$

素因数の和:4418

約数の個数: 48

約数和(自身を含む): 66134880

約数和(自身を除く): 37885300

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 4373, 6460, 8746, 17492, 21865, 43730, 74341, 83087, 87460, 148682, 166174, 297364, 332348, 371705, 415435, 743410, 830870, 1412479, 1486820, 1661740, 2824958, 5649916, 7062395, 14124790, 28249580]

約数ペア:

[(1, 28249580), (2, 14124790), (4, 7062395), (5, 5649916), (10, 2824958), (17, 1661740), (19, 1486820), (20, 1412479), (34, 830870), (38, 743410), (68, 415435), (76, 371705), (85, 332348), (95, 297364), (170, 166174), (190, 148682), (323, 87460), (340, 83087), (380, 74341), (646, 43730), (1292, 21865), (1615, 17492), (3230, 8746), (4373, 6460)]