199061540

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{10357}}^1$

素因数の和:10428

約数の個数: 36

約数和(自身を含む): 431990748

約数和(自身を除く): 232929208

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 961, 1922, 3844, 4805, 9610, 10357, 19220, 20714, 41428, 51785, 103570, 207140, 321067, 642134, 1284268, 1605335, 3210670, 6421340, 9953077, 19906154, 39812308, 49765385, 99530770, 199061540]

約数ペア:

[(1, 199061540), (2, 99530770), (4, 49765385), (5, 39812308), (10, 19906154), (20, 9953077), (31, 6421340), (62, 3210670), (124, 1605335), (155, 1284268), (310, 642134), (620, 321067), (961, 207140), (1922, 103570), (3844, 51785), (4805, 41428), (9610, 20714), (10357, 19220)]