189755550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{409}}^1\times {\mathrm{1031}}^1$

素因数の和:1458

約数の個数: 72

約数和(自身を含む): 511552080

約数和(自身を除く): 321796530

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 409, 450, 818, 1031, 1227, 2045, 2062, 2454, 3093, 3681, 4090, 5155, 6135, 6186, 7362, 9279, 10225, 10310, 12270, 15465, 18405, 18558, 20450, 25775, 30675, 30930, 36810, 46395, 51550, 61350, 77325, 92025, 92790, 154650, 184050, 231975, 421679, 463950, 843358, 1265037, 2108395, 2530074, 3795111, 4216790, 6325185, 7590222, 10541975, 12650370, 18975555, 21083950, 31625925, 37951110, 63251850, 94877775, 189755550]

約数ペア:

[(1, 189755550), (2, 94877775), (3, 63251850), (5, 37951110), (6, 31625925), (9, 21083950), (10, 18975555), (15, 12650370), (18, 10541975), (25, 7590222), (30, 6325185), (45, 4216790), (50, 3795111), (75, 2530074), (90, 2108395), (150, 1265037), (225, 843358), (409, 463950), (450, 421679), (818, 231975), (1031, 184050), (1227, 154650), (2045, 92790), (2062, 92025), (2454, 77325), (3093, 61350), (3681, 51550), (4090, 46395), (5155, 36810), (6135, 30930), (6186, 30675), (7362, 25775), (9279, 20450), (10225, 18558), (10310, 18405), (12270, 15465)]