172900420

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{373}}^1$

素因数の和:450

約数の個数: 144

約数和(自身を含む): 472747968

約数和(自身を除く): 299847548

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 43, 44, 49, 55, 70, 77, 86, 98, 110, 140, 154, 172, 196, 215, 220, 245, 301, 308, 373, 385, 430, 473, 490, 539, 602, 746, 770, 860, 946, 980, 1078, 1204, 1492, 1505, 1540, 1865, 1892, 2107, 2156, 2365, 2611, 2695, 3010, 3311, 3730, 4103, 4214, 4730, 5222, 5390, 6020, 6622, 7460, 8206, 8428, 9460, 10444, 10535, 10780, 13055, 13244, 16039, 16412, 16555, 18277, 20515, 21070, 23177, 26110, 28721, 32078, 33110, 36554, 41030, 42140, 46354, 52220, 57442, 64156, 66220, 73108, 80195, 82060, 91385, 92708, 112273, 114884, 115885, 143605, 160390, 176429, 182770, 201047, 224546, 231770, 287210, 320780, 352858, 365540, 402094, 449092, 463540, 561365, 574420, 705716, 785911, 804188, 882145, 1005235, 1122730, 1235003, 1571822, 1764290, 2010470, 2245460, 2470006, 3143644, 3528580, 3929555, 4020940, 4940012, 6175015, 7859110, 8645021, 12350030, 15718220, 17290042, 24700060, 34580084, 43225105, 86450210, 172900420]

約数ペア:

[(1, 172900420), (2, 86450210), (4, 43225105), (5, 34580084), (7, 24700060), (10, 17290042), (11, 15718220), (14, 12350030), (20, 8645021), (22, 7859110), (28, 6175015), (35, 4940012), (43, 4020940), (44, 3929555), (49, 3528580), (55, 3143644), (70, 2470006), (77, 2245460), (86, 2010470), (98, 1764290), (110, 1571822), (140, 1235003), (154, 1122730), (172, 1005235), (196, 882145), (215, 804188), (220, 785911), (245, 705716), (301, 574420), (308, 561365), (373, 463540), (385, 449092), (430, 402094), (473, 365540), (490, 352858), (539, 320780), (602, 287210), (746, 231770), (770, 224546), (860, 201047), (946, 182770), (980, 176429), (1078, 160390), (1204, 143605), (1492, 115885), (1505, 114884), (1540, 112273), (1865, 92708), (1892, 91385), (2107, 82060), (2156, 80195), (2365, 73108), (2611, 66220), (2695, 64156), (3010, 57442), (3311, 52220), (3730, 46354), (4103, 42140), (4214, 41030), (4730, 36554), (5222, 33110), (5390, 32078), (6020, 28721), (6622, 26110), (7460, 23177), (8206, 21070), (8428, 20515), (9460, 18277), (10444, 16555), (10535, 16412), (10780, 16039), (13055, 13244)]