210399100

素因数分解:

$2^2\times 5^2\times {\mathrm{131}}^1\times {\mathrm{16061}}^1$

素因数の和:16206

約数の個数: 36

約数和(自身を含む): 460079928

約数和(自身を除く): 249680828

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 131, 262, 524, 655, 1310, 2620, 3275, 6550, 13100, 16061, 32122, 64244, 80305, 160610, 321220, 401525, 803050, 1606100, 2103991, 4207982, 8415964, 10519955, 21039910, 42079820, 52599775, 105199550, 210399100]

約数ペア:

[(1, 210399100), (2, 105199550), (4, 52599775), (5, 42079820), (10, 21039910), (20, 10519955), (25, 8415964), (50, 4207982), (100, 2103991), (131, 1606100), (262, 803050), (524, 401525), (655, 321220), (1310, 160610), (2620, 80305), (3275, 64244), (6550, 32122), (13100, 16061)]