53690140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1$

素因数の和:275

約数の個数: 96

約数和(自身を含む): 135475200

約数和(自身を除く): 81785060

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 89, 124, 139, 140, 155, 178, 217, 278, 310, 356, 434, 445, 556, 620, 623, 695, 868, 890, 973, 1085, 1246, 1390, 1780, 1946, 2170, 2492, 2759, 2780, 3115, 3892, 4309, 4340, 4865, 5518, 6230, 8618, 9730, 11036, 12371, 12460, 13795, 17236, 19313, 19460, 21545, 24742, 27590, 30163, 38626, 43090, 49484, 55180, 60326, 61855, 77252, 86180, 86597, 96565, 120652, 123710, 150815, 173194, 193130, 247420, 301630, 346388, 383501, 386260, 432985, 603260, 767002, 865970, 1534004, 1731940, 1917505, 2684507, 3835010, 5369014, 7670020, 10738028, 13422535, 26845070, 53690140]

約数ペア:

[(1, 53690140), (2, 26845070), (4, 13422535), (5, 10738028), (7, 7670020), (10, 5369014), (14, 3835010), (20, 2684507), (28, 1917505), (31, 1731940), (35, 1534004), (62, 865970), (70, 767002), (89, 603260), (124, 432985), (139, 386260), (140, 383501), (155, 346388), (178, 301630), (217, 247420), (278, 193130), (310, 173194), (356, 150815), (434, 123710), (445, 120652), (556, 96565), (620, 86597), (623, 86180), (695, 77252), (868, 61855), (890, 60326), (973, 55180), (1085, 49484), (1246, 43090), (1390, 38626), (1780, 30163), (1946, 27590), (2170, 24742), (2492, 21545), (2759, 19460), (2780, 19313), (3115, 17236), (3892, 13795), (4309, 12460), (4340, 12371), (4865, 11036), (5518, 9730), (6230, 8618)]