2490012

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{241}}^1$

素因数の和:299

約数の個数: 72

約数和(自身を含む): 7399392

約数和(自身を除く): 4909380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 41, 42, 63, 82, 84, 123, 126, 164, 241, 246, 252, 287, 369, 482, 492, 574, 723, 738, 861, 964, 1148, 1446, 1476, 1687, 1722, 2169, 2583, 2892, 3374, 3444, 4338, 5061, 5166, 6748, 8676, 9881, 10122, 10332, 15183, 19762, 20244, 29643, 30366, 39524, 59286, 60732, 69167, 88929, 118572, 138334, 177858, 207501, 276668, 355716, 415002, 622503, 830004, 1245006, 2490012]

約数ペア:

[(1, 2490012), (2, 1245006), (3, 830004), (4, 622503), (6, 415002), (7, 355716), (9, 276668), (12, 207501), (14, 177858), (18, 138334), (21, 118572), (28, 88929), (36, 69167), (41, 60732), (42, 59286), (63, 39524), (82, 30366), (84, 29643), (123, 20244), (126, 19762), (164, 15183), (241, 10332), (246, 10122), (252, 9881), (287, 8676), (369, 6748), (482, 5166), (492, 5061), (574, 4338), (723, 3444), (738, 3374), (861, 2892), (964, 2583), (1148, 2169), (1446, 1722), (1476, 1687)]