200936840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{787}}^1$

素因数の和:1302

約数の個数: 64

約数和(自身を含む): 488496960

約数和(自身を除く): 287560120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 491, 520, 787, 982, 1574, 1964, 2455, 3148, 3928, 3935, 4910, 6296, 6383, 7870, 9820, 10231, 12766, 15740, 19640, 20462, 25532, 31480, 31915, 40924, 51064, 51155, 63830, 81848, 102310, 127660, 204620, 255320, 386417, 409240, 772834, 1545668, 1932085, 3091336, 3864170, 5023421, 7728340, 10046842, 15456680, 20093684, 25117105, 40187368, 50234210, 100468420, 200936840]

約数ペア:

[(1, 200936840), (2, 100468420), (4, 50234210), (5, 40187368), (8, 25117105), (10, 20093684), (13, 15456680), (20, 10046842), (26, 7728340), (40, 5023421), (52, 3864170), (65, 3091336), (104, 1932085), (130, 1545668), (260, 772834), (491, 409240), (520, 386417), (787, 255320), (982, 204620), (1574, 127660), (1964, 102310), (2455, 81848), (3148, 63830), (3928, 51155), (3935, 51064), (4910, 40924), (6296, 31915), (6383, 31480), (7870, 25532), (9820, 20462), (10231, 19640), (12766, 15740)]