201761211280

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1\times {\mathrm{207079}}^1$

素因数の和:207752

約数の個数: 80

約数和(自身を含む): 494556739200

約数和(自身を除く): 292795527920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 641, 760, 1282, 1520, 2564, 3205, 5128, 6410, 10256, 12179, 12820, 24358, 25640, 48716, 51280, 60895, 97432, 121790, 194864, 207079, 243580, 414158, 487160, 828316, 974320, 1035395, 1656632, 2070790, 3313264, 3934501, 4141580, 7869002, 8283160, 15738004, 16566320, 19672505, 31476008, 39345010, 62952016, 78690020, 132737639, 157380040, 265475278, 314760080, 530950556, 663688195, 1061901112, 1327376390, 2123802224, 2522015141, 2654752780, 5044030282, 5309505560, 10088060564, 10619011120, 12610075705, 20176121128, 25220151410, 40352242256, 50440302820, 100880605640, 201761211280]

約数ペア:

[(1, 201761211280), (2, 100880605640), (4, 50440302820), (5, 40352242256), (8, 25220151410), (10, 20176121128), (16, 12610075705), (19, 10619011120), (20, 10088060564), (38, 5309505560), (40, 5044030282), (76, 2654752780), (80, 2522015141), (95, 2123802224), (152, 1327376390), (190, 1061901112), (304, 663688195), (380, 530950556), (641, 314760080), (760, 265475278), (1282, 157380040), (1520, 132737639), (2564, 78690020), (3205, 62952016), (5128, 39345010), (6410, 31476008), (10256, 19672505), (12179, 16566320), (12820, 15738004), (24358, 8283160), (25640, 7869002), (48716, 4141580), (51280, 3934501), (60895, 3313264), (97432, 2070790), (121790, 1656632), (194864, 1035395), (207079, 974320), (243580, 828316), (414158, 487160)]