195640340

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{19}}^2\times {\mathrm{79}}^1$

素因数の和:147

約数の個数: 144

約数和(自身を含む): 512064000

約数和(自身を除く): 316423660

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 49, 70, 76, 79, 95, 98, 133, 140, 158, 190, 196, 245, 266, 316, 343, 361, 380, 395, 490, 532, 553, 665, 686, 722, 790, 931, 980, 1106, 1330, 1372, 1444, 1501, 1580, 1715, 1805, 1862, 2212, 2527, 2660, 2765, 3002, 3430, 3610, 3724, 3871, 4655, 5054, 5530, 6004, 6517, 6860, 7220, 7505, 7742, 9310, 10108, 10507, 11060, 12635, 13034, 15010, 15484, 17689, 18620, 19355, 21014, 25270, 26068, 27097, 28519, 30020, 32585, 35378, 38710, 42028, 50540, 52535, 54194, 57038, 65170, 70756, 73549, 77420, 88445, 105070, 108388, 114076, 123823, 130340, 135485, 142595, 147098, 176890, 199633, 210140, 247646, 270970, 285190, 294196, 353780, 367745, 399266, 495292, 514843, 541940, 570380, 619115, 735490, 798532, 998165, 1029686, 1238230, 1397431, 1470980, 1996330, 2059372, 2476460, 2574215, 2794862, 3992660, 5148430, 5589724, 6987155, 9782017, 10296860, 13974310, 19564034, 27948620, 39128068, 48910085, 97820170, 195640340]

約数ペア:

[(1, 195640340), (2, 97820170), (4, 48910085), (5, 39128068), (7, 27948620), (10, 19564034), (14, 13974310), (19, 10296860), (20, 9782017), (28, 6987155), (35, 5589724), (38, 5148430), (49, 3992660), (70, 2794862), (76, 2574215), (79, 2476460), (95, 2059372), (98, 1996330), (133, 1470980), (140, 1397431), (158, 1238230), (190, 1029686), (196, 998165), (245, 798532), (266, 735490), (316, 619115), (343, 570380), (361, 541940), (380, 514843), (395, 495292), (490, 399266), (532, 367745), (553, 353780), (665, 294196), (686, 285190), (722, 270970), (790, 247646), (931, 210140), (980, 199633), (1106, 176890), (1330, 147098), (1372, 142595), (1444, 135485), (1501, 130340), (1580, 123823), (1715, 114076), (1805, 108388), (1862, 105070), (2212, 88445), (2527, 77420), (2660, 73549), (2765, 70756), (3002, 65170), (3430, 57038), (3610, 54194), (3724, 52535), (3871, 50540), (4655, 42028), (5054, 38710), (5530, 35378), (6004, 32585), (6517, 30020), (6860, 28519), (7220, 27097), (7505, 26068), (7742, 25270), (9310, 21014), (10108, 19355), (10507, 18620), (11060, 17689), (12635, 15484), (13034, 15010)]