28274360

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:528

約数の個数: 64

約数和(自身を含む): 67452480

約数和(自身を除く): 39178120

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 73, 92, 115, 146, 184, 230, 292, 365, 421, 460, 584, 730, 842, 920, 1460, 1679, 1684, 2105, 2920, 3358, 3368, 4210, 6716, 8395, 8420, 9683, 13432, 16790, 16840, 19366, 30733, 33580, 38732, 48415, 61466, 67160, 77464, 96830, 122932, 153665, 193660, 245864, 307330, 387320, 614660, 706859, 1229320, 1413718, 2827436, 3534295, 5654872, 7068590, 14137180, 28274360]

約数ペア:

[(1, 28274360), (2, 14137180), (4, 7068590), (5, 5654872), (8, 3534295), (10, 2827436), (20, 1413718), (23, 1229320), (40, 706859), (46, 614660), (73, 387320), (92, 307330), (115, 245864), (146, 193660), (184, 153665), (230, 122932), (292, 96830), (365, 77464), (421, 67160), (460, 61466), (584, 48415), (730, 38732), (842, 33580), (920, 30733), (1460, 19366), (1679, 16840), (1684, 16790), (2105, 13432), (2920, 9683), (3358, 8420), (3368, 8395), (4210, 6716)]