189940245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1409}}^1$

素因数の和:1490

約数の個数: 64

約数和(自身を含む): 357350400

約数和(自身を除く): 167410155

約数列:

[1, 3, 5, 11, 15, 19, 33, 43, 55, 57, 95, 129, 165, 209, 215, 285, 473, 627, 645, 817, 1045, 1409, 1419, 2365, 2451, 3135, 4085, 4227, 7045, 7095, 8987, 12255, 15499, 21135, 26771, 26961, 44935, 46497, 60587, 77495, 80313, 133855, 134805, 181761, 232485, 294481, 302935, 401565, 666457, 883443, 908805, 1151153, 1472405, 1999371, 3332285, 3453459, 4417215, 5755765, 9996855, 12662683, 17267295, 37988049, 63313415, 189940245]

約数ペア:

[(1, 189940245), (3, 63313415), (5, 37988049), (11, 17267295), (15, 12662683), (19, 9996855), (33, 5755765), (43, 4417215), (55, 3453459), (57, 3332285), (95, 1999371), (129, 1472405), (165, 1151153), (209, 908805), (215, 883443), (285, 666457), (473, 401565), (627, 302935), (645, 294481), (817, 232485), (1045, 181761), (1409, 134805), (1419, 133855), (2365, 80313), (2451, 77495), (3135, 60587), (4085, 46497), (4227, 44935), (7045, 26961), (7095, 26771), (8987, 21135), (12255, 15499)]