28360760

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{233}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 68234400

約数和(自身を除く): 39873640

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 179, 233, 340, 358, 466, 680, 716, 895, 932, 1165, 1432, 1790, 1864, 2330, 3043, 3580, 3961, 4660, 6086, 7160, 7922, 9320, 12172, 15215, 15844, 19805, 24344, 30430, 31688, 39610, 41707, 60860, 79220, 83414, 121720, 158440, 166828, 208535, 333656, 417070, 709019, 834140, 1418038, 1668280, 2836076, 3545095, 5672152, 7090190, 14180380, 28360760]

約数ペア:

[(1, 28360760), (2, 14180380), (4, 7090190), (5, 5672152), (8, 3545095), (10, 2836076), (17, 1668280), (20, 1418038), (34, 834140), (40, 709019), (68, 417070), (85, 333656), (136, 208535), (170, 166828), (179, 158440), (233, 121720), (340, 83414), (358, 79220), (466, 60860), (680, 41707), (716, 39610), (895, 31688), (932, 30430), (1165, 24344), (1432, 19805), (1790, 15844), (1864, 15215), (2330, 12172), (3043, 9320), (3580, 7922), (3961, 7160), (4660, 6086)]