28856820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1489}}^1$

素因数の和:1537

約数の個数: 96

約数和(自身を含む): 90115200

約数和(自身を除く): 61258380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1489, 1615, 1938, 2978, 3230, 3876, 4467, 4845, 5956, 6460, 7445, 8934, 9690, 14890, 17868, 19380, 22335, 25313, 28291, 29780, 44670, 50626, 56582, 75939, 84873, 89340, 101252, 113164, 126565, 141455, 151878, 169746, 253130, 282910, 303756, 339492, 379695, 424365, 480947, 506260, 565820, 759390, 848730, 961894, 1442841, 1518780, 1697460, 1923788, 2404735, 2885682, 4809470, 5771364, 7214205, 9618940, 14428410, 28856820]

約数ペア:

[(1, 28856820), (2, 14428410), (3, 9618940), (4, 7214205), (5, 5771364), (6, 4809470), (10, 2885682), (12, 2404735), (15, 1923788), (17, 1697460), (19, 1518780), (20, 1442841), (30, 961894), (34, 848730), (38, 759390), (51, 565820), (57, 506260), (60, 480947), (68, 424365), (76, 379695), (85, 339492), (95, 303756), (102, 282910), (114, 253130), (170, 169746), (190, 151878), (204, 141455), (228, 126565), (255, 113164), (285, 101252), (323, 89340), (340, 84873), (380, 75939), (510, 56582), (570, 50626), (646, 44670), (969, 29780), (1020, 28291), (1140, 25313), (1292, 22335), (1489, 19380), (1615, 17868), (1938, 14890), (2978, 9690), (3230, 8934), (3876, 7445), (4467, 6460), (4845, 5956)]