401322740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{109}}^1$

素因数の和:179

約数の個数: 216

約数和(自身を含む): 1131835320

約数和(自身を除く): 730512580

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 17, 20, 26, 28, 34, 35, 49, 52, 65, 68, 70, 85, 91, 98, 109, 119, 130, 140, 170, 182, 196, 218, 221, 238, 245, 260, 289, 340, 364, 436, 442, 455, 476, 490, 545, 578, 595, 637, 763, 833, 884, 910, 980, 1090, 1105, 1156, 1190, 1274, 1417, 1445, 1526, 1547, 1666, 1820, 1853, 2023, 2180, 2210, 2380, 2548, 2834, 2890, 3052, 3094, 3185, 3332, 3706, 3757, 3815, 4046, 4165, 4420, 5341, 5668, 5780, 6188, 6370, 7085, 7412, 7514, 7630, 7735, 8092, 8330, 9265, 9919, 10115, 10682, 10829, 12740, 12971, 14161, 14170, 15028, 15260, 15470, 16660, 18530, 18785, 19838, 20230, 21364, 21658, 24089, 25942, 26299, 26705, 28322, 28340, 30940, 31501, 37060, 37570, 39676, 40460, 43316, 48178, 49595, 51884, 52598, 53410, 54145, 56644, 63002, 64855, 69433, 70805, 75140, 90797, 96356, 99190, 105196, 106820, 108290, 120445, 126004, 129710, 131495, 138866, 141610, 157505, 168623, 181594, 184093, 198380, 216580, 220507, 240890, 259420, 262990, 277732, 283220, 315010, 337246, 347165, 363188, 368186, 409513, 441014, 453985, 481780, 525980, 630020, 674492, 694330, 736372, 819026, 843115, 882028, 907970, 920465, 1102535, 1180361, 1388660, 1543549, 1638052, 1686230, 1815940, 1840930, 2047565, 2205070, 2360722, 2866591, 3087098, 3372460, 3681860, 4095130, 4410140, 4721444, 5733182, 5901805, 6174196, 7717745, 8190260, 11466364, 11803610, 14332955, 15435490, 20066137, 23607220, 28665910, 30870980, 40132274, 57331820, 80264548, 100330685, 200661370, 401322740]

約数ペア:

[(1, 401322740), (2, 200661370), (4, 100330685), (5, 80264548), (7, 57331820), (10, 40132274), (13, 30870980), (14, 28665910), (17, 23607220), (20, 20066137), (26, 15435490), (28, 14332955), (34, 11803610), (35, 11466364), (49, 8190260), (52, 7717745), (65, 6174196), (68, 5901805), (70, 5733182), (85, 4721444), (91, 4410140), (98, 4095130), (109, 3681860), (119, 3372460), (130, 3087098), (140, 2866591), (170, 2360722), (182, 2205070), (196, 2047565), (218, 1840930), (221, 1815940), (238, 1686230), (245, 1638052), (260, 1543549), (289, 1388660), (340, 1180361), (364, 1102535), (436, 920465), (442, 907970), (455, 882028), (476, 843115), (490, 819026), (545, 736372), (578, 694330), (595, 674492), (637, 630020), (763, 525980), (833, 481780), (884, 453985), (910, 441014), (980, 409513), (1090, 368186), (1105, 363188), (1156, 347165), (1190, 337246), (1274, 315010), (1417, 283220), (1445, 277732), (1526, 262990), (1547, 259420), (1666, 240890), (1820, 220507), (1853, 216580), (2023, 198380), (2180, 184093), (2210, 181594), (2380, 168623), (2548, 157505), (2834, 141610), (2890, 138866), (3052, 131495), (3094, 129710), (3185, 126004), (3332, 120445), (3706, 108290), (3757, 106820), (3815, 105196), (4046, 99190), (4165, 96356), (4420, 90797), (5341, 75140), (5668, 70805), (5780, 69433), (6188, 64855), (6370, 63002), (7085, 56644), (7412, 54145), (7514, 53410), (7630, 52598), (7735, 51884), (8092, 49595), (8330, 48178), (9265, 43316), (9919, 40460), (10115, 39676), (10682, 37570), (10829, 37060), (12740, 31501), (12971, 30940), (14161, 28340), (14170, 28322), (15028, 26705), (15260, 26299), (15470, 25942), (16660, 24089), (18530, 21658), (18785, 21364), (19838, 20230)]