400646340

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{2029}}^1$

素因数の和:3141

約数の個数: 72

約数和(自身を含む): 1217001240

約数和(自身を除く): 816354900

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1097, 2029, 2194, 3291, 4058, 4388, 5485, 6087, 6582, 8116, 9873, 10145, 10970, 12174, 13164, 16455, 18261, 19746, 20290, 21940, 24348, 30435, 32910, 36522, 39492, 40580, 49365, 60870, 65820, 73044, 91305, 98730, 121740, 182610, 197460, 365220, 2225813, 4451626, 6677439, 8903252, 11129065, 13354878, 20032317, 22258130, 26709756, 33387195, 40064634, 44516260, 66774390, 80129268, 100161585, 133548780, 200323170, 400646340]

約数ペア:

[(1, 400646340), (2, 200323170), (3, 133548780), (4, 100161585), (5, 80129268), (6, 66774390), (9, 44516260), (10, 40064634), (12, 33387195), (15, 26709756), (18, 22258130), (20, 20032317), (30, 13354878), (36, 11129065), (45, 8903252), (60, 6677439), (90, 4451626), (180, 2225813), (1097, 365220), (2029, 197460), (2194, 182610), (3291, 121740), (4058, 98730), (4388, 91305), (5485, 73044), (6087, 65820), (6582, 60870), (8116, 49365), (9873, 40580), (10145, 39492), (10970, 36522), (12174, 32910), (13164, 30435), (16455, 24348), (18261, 21940), (19746, 20290)]