850702940

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{229}}^1\times {\mathrm{2087}}^1$

素因数の和:2414

約数の個数: 48

約数和(自身を含む): 1815307200

約数和(自身を除く): 964604260

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 229, 356, 445, 458, 890, 916, 1145, 1780, 2087, 2290, 4174, 4580, 8348, 10435, 20381, 20870, 40762, 41740, 81524, 101905, 185743, 203810, 371486, 407620, 477923, 742972, 928715, 955846, 1857430, 1911692, 2389615, 3714860, 4779230, 9558460, 42535147, 85070294, 170140588, 212675735, 425351470, 850702940]

約数ペア:

[(1, 850702940), (2, 425351470), (4, 212675735), (5, 170140588), (10, 85070294), (20, 42535147), (89, 9558460), (178, 4779230), (229, 3714860), (356, 2389615), (445, 1911692), (458, 1857430), (890, 955846), (916, 928715), (1145, 742972), (1780, 477923), (2087, 407620), (2290, 371486), (4174, 203810), (4580, 185743), (8348, 101905), (10435, 81524), (20381, 41740), (20870, 40762)]