200419208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1\times {\mathrm{227}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 420249600

約数和(自身を除く): 219830392

約数列:

[1, 2, 4, 8, 11, 22, 44, 79, 88, 127, 158, 227, 254, 316, 454, 508, 632, 869, 908, 1016, 1397, 1738, 1816, 2497, 2794, 3476, 4994, 5588, 6952, 9988, 10033, 11176, 17933, 19976, 20066, 28829, 35866, 40132, 57658, 71732, 80264, 110363, 115316, 143464, 197263, 220726, 230632, 317119, 394526, 441452, 634238, 789052, 882904, 1268476, 1578104, 2277491, 2536952, 4554982, 9109964, 18219928, 25052401, 50104802, 100209604, 200419208]

約数ペア:

[(1, 200419208), (2, 100209604), (4, 50104802), (8, 25052401), (11, 18219928), (22, 9109964), (44, 4554982), (79, 2536952), (88, 2277491), (127, 1578104), (158, 1268476), (227, 882904), (254, 789052), (316, 634238), (454, 441452), (508, 394526), (632, 317119), (869, 230632), (908, 220726), (1016, 197263), (1397, 143464), (1738, 115316), (1816, 110363), (2497, 80264), (2794, 71732), (3476, 57658), (4994, 40132), (5588, 35866), (6952, 28829), (9988, 20066), (10033, 19976), (11176, 17933)]