86470900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:745

約数の個数: 72

約数和(自身を含む): 200612160

約数和(自身を除く): 114141260

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 71, 76, 95, 100, 142, 190, 284, 355, 380, 475, 641, 710, 950, 1282, 1349, 1420, 1775, 1900, 2564, 2698, 3205, 3550, 5396, 6410, 6745, 7100, 12179, 12820, 13490, 16025, 24358, 26980, 32050, 33725, 45511, 48716, 60895, 64100, 67450, 91022, 121790, 134900, 182044, 227555, 243580, 304475, 455110, 608950, 864709, 910220, 1137775, 1217900, 1729418, 2275550, 3458836, 4323545, 4551100, 8647090, 17294180, 21617725, 43235450, 86470900]

約数ペア:

[(1, 86470900), (2, 43235450), (4, 21617725), (5, 17294180), (10, 8647090), (19, 4551100), (20, 4323545), (25, 3458836), (38, 2275550), (50, 1729418), (71, 1217900), (76, 1137775), (95, 910220), (100, 864709), (142, 608950), (190, 455110), (284, 304475), (355, 243580), (380, 227555), (475, 182044), (641, 134900), (710, 121790), (950, 91022), (1282, 67450), (1349, 64100), (1420, 60895), (1775, 48716), (1900, 45511), (2564, 33725), (2698, 32050), (3205, 26980), (3550, 24358), (5396, 16025), (6410, 13490), (6745, 12820), (7100, 12179)]