194552380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{21569}}^1$

素因数の和:21630

約数の個数: 48

約数和(自身を含む): 456593760

約数和(自身を除く): 262041380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 21569, 43138, 86276, 107845, 215690, 237259, 431380, 474518, 884329, 949036, 1186295, 1768658, 2372590, 3537316, 4421645, 4745180, 8843290, 9727619, 17686580, 19455238, 38910476, 48638095, 97276190, 194552380]

約数ペア:

[(1, 194552380), (2, 97276190), (4, 48638095), (5, 38910476), (10, 19455238), (11, 17686580), (20, 9727619), (22, 8843290), (41, 4745180), (44, 4421645), (55, 3537316), (82, 2372590), (110, 1768658), (164, 1186295), (205, 949036), (220, 884329), (410, 474518), (451, 431380), (820, 237259), (902, 215690), (1804, 107845), (2255, 86276), (4510, 43138), (9020, 21569)]