351639470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{787}}^1$

素因数の和:1305

約数の個数: 64

約数和(自身を含む): 781595136

約数和(自身を除く): 429955666

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 35, 65, 70, 91, 130, 182, 455, 491, 787, 910, 982, 1574, 2455, 3437, 3935, 4910, 5509, 6383, 6874, 7870, 10231, 11018, 12766, 17185, 20462, 27545, 31915, 34370, 44681, 51155, 55090, 63830, 71617, 89362, 102310, 143234, 223405, 358085, 386417, 446810, 716170, 772834, 1932085, 2704919, 3864170, 5023421, 5409838, 10046842, 13524595, 25117105, 27049190, 35163947, 50234210, 70327894, 175819735, 351639470]

約数ペア:

[(1, 351639470), (2, 175819735), (5, 70327894), (7, 50234210), (10, 35163947), (13, 27049190), (14, 25117105), (26, 13524595), (35, 10046842), (65, 5409838), (70, 5023421), (91, 3864170), (130, 2704919), (182, 1932085), (455, 772834), (491, 716170), (787, 446810), (910, 386417), (982, 358085), (1574, 223405), (2455, 143234), (3437, 102310), (3935, 89362), (4910, 71617), (5509, 63830), (6383, 55090), (6874, 51155), (7870, 44681), (10231, 34370), (11018, 31915), (12766, 27545), (17185, 20462)]