161719250

素因数分解:

$2^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 391053312

約数和(自身を除く): 229334062

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 25, 31, 35, 50, 55, 62, 70, 77, 110, 125, 154, 155, 175, 217, 250, 271, 275, 310, 341, 350, 385, 434, 542, 550, 682, 770, 775, 875, 1085, 1355, 1375, 1550, 1705, 1750, 1897, 1925, 2170, 2387, 2710, 2750, 2981, 3410, 3794, 3850, 3875, 4774, 5425, 5962, 6775, 7750, 8401, 8525, 9485, 9625, 10850, 11935, 13550, 14905, 16802, 17050, 18970, 19250, 20867, 23870, 27125, 29810, 33875, 41734, 42005, 42625, 47425, 54250, 58807, 59675, 67750, 74525, 84010, 85250, 92411, 94850, 104335, 117614, 119350, 149050, 184822, 208670, 210025, 237125, 294035, 298375, 372625, 420050, 462055, 474250, 521675, 588070, 596750, 646877, 745250, 924110, 1043350, 1050125, 1293754, 1470175, 2100250, 2310275, 2608375, 2940350, 3234385, 4620550, 5216750, 6468770, 7350875, 11551375, 14701750, 16171925, 23102750, 32343850, 80859625, 161719250]

約数ペア:

[(1, 161719250), (2, 80859625), (5, 32343850), (7, 23102750), (10, 16171925), (11, 14701750), (14, 11551375), (22, 7350875), (25, 6468770), (31, 5216750), (35, 4620550), (50, 3234385), (55, 2940350), (62, 2608375), (70, 2310275), (77, 2100250), (110, 1470175), (125, 1293754), (154, 1050125), (155, 1043350), (175, 924110), (217, 745250), (250, 646877), (271, 596750), (275, 588070), (310, 521675), (341, 474250), (350, 462055), (385, 420050), (434, 372625), (542, 298375), (550, 294035), (682, 237125), (770, 210025), (775, 208670), (875, 184822), (1085, 149050), (1355, 119350), (1375, 117614), (1550, 104335), (1705, 94850), (1750, 92411), (1897, 85250), (1925, 84010), (2170, 74525), (2387, 67750), (2710, 59675), (2750, 58807), (2981, 54250), (3410, 47425), (3794, 42625), (3850, 42005), (3875, 41734), (4774, 33875), (5425, 29810), (5962, 27125), (6775, 23870), (7750, 20867), (8401, 19250), (8525, 18970), (9485, 17050), (9625, 16802), (10850, 14905), (11935, 13550)]