71582500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1$

素因数の和:191

約数の個数: 120

約数和(自身を含む): 181067040

約数和(自身を除く): 109484540

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 25, 38, 44, 50, 55, 76, 95, 100, 110, 125, 137, 190, 209, 220, 250, 274, 275, 380, 418, 475, 500, 548, 550, 625, 685, 836, 950, 1045, 1100, 1250, 1370, 1375, 1507, 1900, 2090, 2375, 2500, 2603, 2740, 2750, 3014, 3425, 4180, 4750, 5206, 5225, 5500, 6028, 6850, 6875, 7535, 9500, 10412, 10450, 11875, 13015, 13700, 13750, 15070, 17125, 20900, 23750, 26030, 26125, 27500, 28633, 30140, 34250, 37675, 47500, 52060, 52250, 57266, 65075, 68500, 75350, 85625, 104500, 114532, 130150, 130625, 143165, 150700, 171250, 188375, 260300, 261250, 286330, 325375, 342500, 376750, 522500, 572660, 650750, 715825, 753500, 941875, 1301500, 1431650, 1626875, 1883750, 2863300, 3253750, 3579125, 3767500, 6507500, 7158250, 14316500, 17895625, 35791250, 71582500]

約数ペア:

[(1, 71582500), (2, 35791250), (4, 17895625), (5, 14316500), (10, 7158250), (11, 6507500), (19, 3767500), (20, 3579125), (22, 3253750), (25, 2863300), (38, 1883750), (44, 1626875), (50, 1431650), (55, 1301500), (76, 941875), (95, 753500), (100, 715825), (110, 650750), (125, 572660), (137, 522500), (190, 376750), (209, 342500), (220, 325375), (250, 286330), (274, 261250), (275, 260300), (380, 188375), (418, 171250), (475, 150700), (500, 143165), (548, 130625), (550, 130150), (625, 114532), (685, 104500), (836, 85625), (950, 75350), (1045, 68500), (1100, 65075), (1250, 57266), (1370, 52250), (1375, 52060), (1507, 47500), (1900, 37675), (2090, 34250), (2375, 30140), (2500, 28633), (2603, 27500), (2740, 26125), (2750, 26030), (3014, 23750), (3425, 20900), (4180, 17125), (4750, 15070), (5206, 13750), (5225, 13700), (5500, 13015), (6028, 11875), (6850, 10450), (6875, 10412), (7535, 9500)]