199962450

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{431}}^1\times {\mathrm{1031}}^1$

素因数の和:1480

約数の個数: 72

約数和(自身を含む): 539001216

約数和(自身を除く): 339038766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 30, 45, 50, 75, 90, 150, 225, 431, 450, 862, 1031, 1293, 2062, 2155, 2586, 3093, 3879, 4310, 5155, 6186, 6465, 7758, 9279, 10310, 10775, 12930, 15465, 18558, 19395, 21550, 25775, 30930, 32325, 38790, 46395, 51550, 64650, 77325, 92790, 96975, 154650, 193950, 231975, 444361, 463950, 888722, 1333083, 2221805, 2666166, 3999249, 4443610, 6665415, 7998498, 11109025, 13330830, 19996245, 22218050, 33327075, 39992490, 66654150, 99981225, 199962450]

約数ペア:

[(1, 199962450), (2, 99981225), (3, 66654150), (5, 39992490), (6, 33327075), (9, 22218050), (10, 19996245), (15, 13330830), (18, 11109025), (25, 7998498), (30, 6665415), (45, 4443610), (50, 3999249), (75, 2666166), (90, 2221805), (150, 1333083), (225, 888722), (431, 463950), (450, 444361), (862, 231975), (1031, 193950), (1293, 154650), (2062, 96975), (2155, 92790), (2586, 77325), (3093, 64650), (3879, 51550), (4310, 46395), (5155, 38790), (6186, 32325), (6465, 30930), (7758, 25775), (9279, 21550), (10310, 19395), (10775, 18558), (12930, 15465)]