19337500

素因数分解:

$2^2\times 5^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1$

素因数の和:66

約数の個数: 144

約数和(自身を含む): 55121472

約数和(自身を除く): 35783972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 25, 26, 28, 34, 35, 50, 52, 65, 68, 70, 85, 91, 100, 119, 125, 130, 140, 170, 175, 182, 221, 238, 250, 260, 325, 340, 350, 364, 425, 442, 455, 476, 500, 595, 625, 650, 700, 850, 875, 884, 910, 1105, 1190, 1250, 1300, 1547, 1625, 1700, 1750, 1820, 2125, 2210, 2275, 2380, 2500, 2975, 3094, 3125, 3250, 3500, 4250, 4375, 4420, 4550, 5525, 5950, 6188, 6250, 6500, 7735, 8125, 8500, 8750, 9100, 10625, 11050, 11375, 11900, 12500, 14875, 15470, 16250, 17500, 21250, 21875, 22100, 22750, 27625, 29750, 30940, 32500, 38675, 40625, 42500, 43750, 45500, 53125, 55250, 56875, 59500, 74375, 77350, 81250, 87500, 106250, 110500, 113750, 138125, 148750, 154700, 162500, 193375, 212500, 227500, 276250, 284375, 297500, 371875, 386750, 552500, 568750, 690625, 743750, 773500, 966875, 1137500, 1381250, 1487500, 1933750, 2762500, 3867500, 4834375, 9668750, 19337500]

約数ペア:

[(1, 19337500), (2, 9668750), (4, 4834375), (5, 3867500), (7, 2762500), (10, 1933750), (13, 1487500), (14, 1381250), (17, 1137500), (20, 966875), (25, 773500), (26, 743750), (28, 690625), (34, 568750), (35, 552500), (50, 386750), (52, 371875), (65, 297500), (68, 284375), (70, 276250), (85, 227500), (91, 212500), (100, 193375), (119, 162500), (125, 154700), (130, 148750), (140, 138125), (170, 113750), (175, 110500), (182, 106250), (221, 87500), (238, 81250), (250, 77350), (260, 74375), (325, 59500), (340, 56875), (350, 55250), (364, 53125), (425, 45500), (442, 43750), (455, 42500), (476, 40625), (500, 38675), (595, 32500), (625, 30940), (650, 29750), (700, 27625), (850, 22750), (875, 22100), (884, 21875), (910, 21250), (1105, 17500), (1190, 16250), (1250, 15470), (1300, 14875), (1547, 12500), (1625, 11900), (1700, 11375), (1750, 11050), (1820, 10625), (2125, 9100), (2210, 8750), (2275, 8500), (2380, 8125), (2500, 7735), (2975, 6500), (3094, 6250), (3125, 6188), (3250, 5950), (3500, 5525), (4250, 4550), (4375, 4420)]