2490684

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:362

約数の個数: 48

約数和(自身を含む): 6720000

約数和(自身を除く): 4229316

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 149, 199, 298, 398, 447, 596, 597, 796, 894, 1043, 1194, 1393, 1788, 2086, 2388, 2786, 3129, 4172, 4179, 5572, 6258, 8358, 12516, 16716, 29651, 59302, 88953, 118604, 177906, 207557, 355812, 415114, 622671, 830228, 1245342, 2490684]

約数ペア:

[(1, 2490684), (2, 1245342), (3, 830228), (4, 622671), (6, 415114), (7, 355812), (12, 207557), (14, 177906), (21, 118604), (28, 88953), (42, 59302), (84, 29651), (149, 16716), (199, 12516), (298, 8358), (398, 6258), (447, 5572), (596, 4179), (597, 4172), (796, 3129), (894, 2786), (1043, 2388), (1194, 2086), (1393, 1788)]