858488820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{2729}}^1$

素因数の和:2862

約数の個数: 144

約数和(自身を含む): 2823387840

約数和(自身を除く): 1964899020

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 107, 140, 147, 196, 210, 214, 245, 294, 321, 420, 428, 490, 535, 588, 642, 735, 749, 980, 1070, 1284, 1470, 1498, 1605, 2140, 2247, 2729, 2940, 2996, 3210, 3745, 4494, 5243, 5458, 6420, 7490, 8187, 8988, 10486, 10916, 11235, 13645, 14980, 15729, 16374, 19103, 20972, 22470, 26215, 27290, 31458, 32748, 38206, 40935, 44940, 52430, 54580, 57309, 62916, 76412, 78645, 81870, 95515, 104860, 114618, 133721, 157290, 163740, 191030, 229236, 267442, 286545, 292003, 314580, 382060, 401163, 534884, 573090, 584006, 668605, 802326, 876009, 1146180, 1168012, 1337210, 1460015, 1604652, 1752018, 2005815, 2044021, 2674420, 2920030, 3504036, 4011630, 4088042, 4380045, 5840060, 6132063, 8023260, 8176084, 8760090, 10220105, 12264126, 14308147, 17520180, 20440210, 24528252, 28616294, 30660315, 40880420, 42924441, 57232588, 61320630, 71540735, 85848882, 122641260, 143081470, 171697764, 214622205, 286162940, 429244410, 858488820]

約数ペア:

[(1, 858488820), (2, 429244410), (3, 286162940), (4, 214622205), (5, 171697764), (6, 143081470), (7, 122641260), (10, 85848882), (12, 71540735), (14, 61320630), (15, 57232588), (20, 42924441), (21, 40880420), (28, 30660315), (30, 28616294), (35, 24528252), (42, 20440210), (49, 17520180), (60, 14308147), (70, 12264126), (84, 10220105), (98, 8760090), (105, 8176084), (107, 8023260), (140, 6132063), (147, 5840060), (196, 4380045), (210, 4088042), (214, 4011630), (245, 3504036), (294, 2920030), (321, 2674420), (420, 2044021), (428, 2005815), (490, 1752018), (535, 1604652), (588, 1460015), (642, 1337210), (735, 1168012), (749, 1146180), (980, 876009), (1070, 802326), (1284, 668605), (1470, 584006), (1498, 573090), (1605, 534884), (2140, 401163), (2247, 382060), (2729, 314580), (2940, 292003), (2996, 286545), (3210, 267442), (3745, 229236), (4494, 191030), (5243, 163740), (5458, 157290), (6420, 133721), (7490, 114618), (8187, 104860), (8988, 95515), (10486, 81870), (10916, 78645), (11235, 76412), (13645, 62916), (14980, 57309), (15729, 54580), (16374, 52430), (19103, 44940), (20972, 40935), (22470, 38206), (26215, 32748), (27290, 31458)]