16980670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{199}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 37324800

約数和(自身を除く): 20344130

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 53, 70, 106, 115, 161, 199, 230, 265, 322, 371, 398, 530, 742, 805, 995, 1219, 1393, 1610, 1855, 1990, 2438, 2786, 3710, 4577, 6095, 6965, 8533, 9154, 10547, 12190, 13930, 17066, 21094, 22885, 32039, 42665, 45770, 52735, 64078, 73829, 85330, 105470, 147658, 160195, 242581, 320390, 369145, 485162, 738290, 1212905, 1698067, 2425810, 3396134, 8490335, 16980670]

約数ペア:

[(1, 16980670), (2, 8490335), (5, 3396134), (7, 2425810), (10, 1698067), (14, 1212905), (23, 738290), (35, 485162), (46, 369145), (53, 320390), (70, 242581), (106, 160195), (115, 147658), (161, 105470), (199, 85330), (230, 73829), (265, 64078), (322, 52735), (371, 45770), (398, 42665), (530, 32039), (742, 22885), (805, 21094), (995, 17066), (1219, 13930), (1393, 12190), (1610, 10547), (1855, 9154), (1990, 8533), (2438, 6965), (2786, 6095), (3710, 4577)]