199952504

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1$

素因数の和:612

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 220988296

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 76, 136, 152, 223, 323, 347, 446, 646, 694, 892, 1292, 1388, 1784, 2584, 2776, 3791, 4237, 5899, 6593, 7582, 8474, 11798, 13186, 15164, 16948, 23596, 26372, 30328, 33896, 47192, 52744, 72029, 77381, 112081, 144058, 154762, 224162, 288116, 309524, 448324, 576232, 619048, 896648, 1315477, 1470239, 2630954, 2940478, 5261908, 5880956, 10523816, 11761912, 24994063, 49988126, 99976252, 199952504]

約数ペア:

[(1, 199952504), (2, 99976252), (4, 49988126), (8, 24994063), (17, 11761912), (19, 10523816), (34, 5880956), (38, 5261908), (68, 2940478), (76, 2630954), (136, 1470239), (152, 1315477), (223, 896648), (323, 619048), (347, 576232), (446, 448324), (646, 309524), (694, 288116), (892, 224162), (1292, 154762), (1388, 144058), (1784, 112081), (2584, 77381), (2776, 72029), (3791, 52744), (4237, 47192), (5899, 33896), (6593, 30328), (7582, 26372), (8474, 23596), (11798, 16948), (13186, 15164)]