187894590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{20947}}^1$

素因数の和:20993

約数の個数: 64

約数和(自身を含む): 506774016

約数和(自身を除く): 318879426

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 23, 26, 30, 39, 46, 65, 69, 78, 115, 130, 138, 195, 230, 299, 345, 390, 598, 690, 897, 1495, 1794, 2990, 4485, 8970, 20947, 41894, 62841, 104735, 125682, 209470, 272311, 314205, 481781, 544622, 628410, 816933, 963562, 1361555, 1445343, 1633866, 2408905, 2723110, 2890686, 4084665, 4817810, 6263153, 7226715, 8169330, 12526306, 14453430, 18789459, 31315765, 37578918, 62631530, 93947295, 187894590]

約数ペア:

[(1, 187894590), (2, 93947295), (3, 62631530), (5, 37578918), (6, 31315765), (10, 18789459), (13, 14453430), (15, 12526306), (23, 8169330), (26, 7226715), (30, 6263153), (39, 4817810), (46, 4084665), (65, 2890686), (69, 2723110), (78, 2408905), (115, 1633866), (130, 1445343), (138, 1361555), (195, 963562), (230, 816933), (299, 628410), (345, 544622), (390, 481781), (598, 314205), (690, 272311), (897, 209470), (1495, 125682), (1794, 104735), (2990, 62841), (4485, 41894), (8970, 20947)]