219399530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{136273}}^1$

素因数の和:136310

約数の個数: 32

約数和(自身を含む): 470962944

約数和(自身を除く): 251563414

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 136273, 272546, 681365, 953911, 1362730, 1907822, 3134279, 4769555, 6268558, 9539110, 15671395, 21939953, 31342790, 43879906, 109699765, 219399530]

約数ペア:

[(1, 219399530), (2, 109699765), (5, 43879906), (7, 31342790), (10, 21939953), (14, 15671395), (23, 9539110), (35, 6268558), (46, 4769555), (70, 3134279), (115, 1907822), (161, 1362730), (230, 953911), (322, 681365), (805, 272546), (1610, 136273)]