199828920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:397

約数の個数: 128

約数和(自身を含む): 615859200

約数和(自身を除く): 416030280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 79, 107, 120, 158, 197, 214, 237, 316, 321, 394, 395, 428, 474, 535, 591, 632, 642, 788, 790, 856, 948, 985, 1070, 1182, 1185, 1284, 1576, 1580, 1605, 1896, 1970, 2140, 2364, 2370, 2568, 2955, 3160, 3210, 3940, 4280, 4728, 4740, 5910, 6420, 7880, 8453, 9480, 11820, 12840, 15563, 16906, 21079, 23640, 25359, 31126, 33812, 42158, 42265, 46689, 50718, 62252, 63237, 67624, 77815, 84316, 84530, 93378, 101436, 105395, 124504, 126474, 126795, 155630, 168632, 169060, 186756, 202872, 210790, 233445, 252948, 253590, 311260, 316185, 338120, 373512, 421580, 466890, 505896, 507180, 622520, 632370, 843160, 933780, 1014360, 1264740, 1665241, 1867560, 2529480, 3330482, 4995723, 6660964, 8326205, 9991446, 13321928, 16652410, 19982892, 24978615, 33304820, 39965784, 49957230, 66609640, 99914460, 199828920]

約数ペア:

[(1, 199828920), (2, 99914460), (3, 66609640), (4, 49957230), (5, 39965784), (6, 33304820), (8, 24978615), (10, 19982892), (12, 16652410), (15, 13321928), (20, 9991446), (24, 8326205), (30, 6660964), (40, 4995723), (60, 3330482), (79, 2529480), (107, 1867560), (120, 1665241), (158, 1264740), (197, 1014360), (214, 933780), (237, 843160), (316, 632370), (321, 622520), (394, 507180), (395, 505896), (428, 466890), (474, 421580), (535, 373512), (591, 338120), (632, 316185), (642, 311260), (788, 253590), (790, 252948), (856, 233445), (948, 210790), (985, 202872), (1070, 186756), (1182, 169060), (1185, 168632), (1284, 155630), (1576, 126795), (1580, 126474), (1605, 124504), (1896, 105395), (1970, 101436), (2140, 93378), (2364, 84530), (2370, 84316), (2568, 77815), (2955, 67624), (3160, 63237), (3210, 62252), (3940, 50718), (4280, 46689), (4728, 42265), (4740, 42158), (5910, 33812), (6420, 31126), (7880, 25359), (8453, 23640), (9480, 21079), (11820, 16906), (12840, 15563)]