20170150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1$

素因数の和:87

約数の個数: 144

約数和(自身を含む): 52282368

約数和(自身を除く): 32112218

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 25, 26, 31, 35, 50, 55, 62, 65, 70, 77, 91, 110, 130, 143, 154, 155, 169, 175, 182, 217, 275, 286, 310, 325, 338, 341, 350, 385, 403, 434, 455, 550, 650, 682, 715, 770, 775, 806, 845, 910, 1001, 1085, 1183, 1430, 1550, 1690, 1705, 1859, 1925, 2002, 2015, 2170, 2275, 2366, 2387, 2821, 3410, 3575, 3718, 3850, 4030, 4225, 4433, 4550, 4774, 5005, 5239, 5425, 5642, 5915, 7150, 8450, 8525, 8866, 9295, 10010, 10075, 10478, 10850, 11830, 11935, 13013, 14105, 17050, 18590, 20150, 22165, 23870, 25025, 26026, 26195, 28210, 29575, 31031, 36673, 44330, 46475, 50050, 52390, 57629, 59150, 59675, 62062, 65065, 70525, 73346, 92950, 110825, 115258, 119350, 130130, 130975, 141050, 155155, 183365, 221650, 261950, 288145, 310310, 325325, 366730, 403403, 576290, 650650, 775775, 806806, 916825, 1440725, 1551550, 1833650, 2017015, 2881450, 4034030, 10085075, 20170150]

約数ペア:

[(1, 20170150), (2, 10085075), (5, 4034030), (7, 2881450), (10, 2017015), (11, 1833650), (13, 1551550), (14, 1440725), (22, 916825), (25, 806806), (26, 775775), (31, 650650), (35, 576290), (50, 403403), (55, 366730), (62, 325325), (65, 310310), (70, 288145), (77, 261950), (91, 221650), (110, 183365), (130, 155155), (143, 141050), (154, 130975), (155, 130130), (169, 119350), (175, 115258), (182, 110825), (217, 92950), (275, 73346), (286, 70525), (310, 65065), (325, 62062), (338, 59675), (341, 59150), (350, 57629), (385, 52390), (403, 50050), (434, 46475), (455, 44330), (550, 36673), (650, 31031), (682, 29575), (715, 28210), (770, 26195), (775, 26026), (806, 25025), (845, 23870), (910, 22165), (1001, 20150), (1085, 18590), (1183, 17050), (1430, 14105), (1550, 13013), (1690, 11935), (1705, 11830), (1859, 10850), (1925, 10478), (2002, 10075), (2015, 10010), (2170, 9295), (2275, 8866), (2366, 8525), (2387, 8450), (2821, 7150), (3410, 5915), (3575, 5642), (3718, 5425), (3850, 5239), (4030, 5005), (4225, 4774), (4433, 4550)]