399011970

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{100003}}^1$

素因数の和:100039

約数の個数: 64

約数和(自身を含む): 1152046080

約数和(自身を除く): 753034110

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990, 100003, 200006, 300009, 500015, 600018, 700021, 1000030, 1400042, 1500045, 1900057, 2100063, 3000090, 3500105, 3800114, 4200126, 5700171, 7000210, 9500285, 10500315, 11400342, 13300399, 19000570, 21000630, 26600798, 28500855, 39901197, 57001710, 66501995, 79802394, 133003990, 199505985, 399011970]

約数ペア:

[(1, 399011970), (2, 199505985), (3, 133003990), (5, 79802394), (6, 66501995), (7, 57001710), (10, 39901197), (14, 28500855), (15, 26600798), (19, 21000630), (21, 19000570), (30, 13300399), (35, 11400342), (38, 10500315), (42, 9500285), (57, 7000210), (70, 5700171), (95, 4200126), (105, 3800114), (114, 3500105), (133, 3000090), (190, 2100063), (210, 1900057), (266, 1500045), (285, 1400042), (399, 1000030), (570, 700021), (665, 600018), (798, 500015), (1330, 300009), (1995, 200006), (3990, 100003)]