1235543820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{420253}}^1$

素因数の和:420279

約数の個数: 72

約数和(自身を含む): 4024352304

約数和(自身を除く): 2788808484

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, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 420253, 840506, 1260759, 1681012, 2101265, 2521518, 2941771, 4202530, 5043036, 5883542, 6303795, 8405060, 8825313, 11767084, 12607590, 14708855, 17650626, 20592397, 25215180, 29417710, 35301252, 41184794, 44126565, 58835420, 61777191, 82369588, 88253130, 102961985, 123554382, 176506260, 205923970, 247108764, 308885955, 411847940, 617771910, 1235543820]

約数ペア:

[(1, 1235543820), (2, 617771910), (3, 411847940), (4, 308885955), (5, 247108764), (6, 205923970), (7, 176506260), (10, 123554382), (12, 102961985), (14, 88253130), (15, 82369588), (20, 61777191), (21, 58835420), (28, 44126565), (30, 41184794), (35, 35301252), (42, 29417710), (49, 25215180), (60, 20592397), (70, 17650626), (84, 14708855), (98, 12607590), (105, 11767084), (140, 8825313), (147, 8405060), (196, 6303795), (210, 5883542), (245, 5043036), (294, 4202530), (420, 2941771), (490, 2521518), (588, 2101265), (735, 1681012), (980, 1260759), (1470, 840506), (2940, 420253)]