212159970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^2\times {\mathrm{223}}^1$

素因数の和:309

約数の個数: 144

約数和(自身を含む): 624589056

約数和(自身を除く): 412429086

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 31, 33, 45, 55, 62, 66, 90, 93, 99, 110, 155, 165, 186, 198, 223, 279, 310, 330, 341, 446, 465, 495, 558, 669, 682, 930, 961, 990, 1023, 1115, 1338, 1395, 1705, 1922, 2007, 2046, 2230, 2453, 2790, 2883, 3069, 3345, 3410, 4014, 4805, 4906, 5115, 5766, 6138, 6690, 6913, 7359, 8649, 9610, 10035, 10230, 10571, 12265, 13826, 14415, 14718, 15345, 17298, 20070, 20739, 21142, 22077, 24530, 28830, 30690, 31713, 34565, 36795, 41478, 43245, 44154, 52855, 62217, 63426, 69130, 73590, 76043, 86490, 95139, 103695, 105710, 110385, 124434, 152086, 158565, 190278, 207390, 214303, 220770, 228129, 311085, 317130, 380215, 428606, 456258, 475695, 622170, 642909, 684387, 760430, 951390, 1071515, 1140645, 1285818, 1368774, 1928727, 2143030, 2281290, 2357333, 3214545, 3421935, 3857454, 4714666, 6429090, 6843870, 7071999, 9643635, 11786665, 14143998, 19287270, 21215997, 23573330, 35359995, 42431994, 70719990, 106079985, 212159970]

約数ペア:

[(1, 212159970), (2, 106079985), (3, 70719990), (5, 42431994), (6, 35359995), (9, 23573330), (10, 21215997), (11, 19287270), (15, 14143998), (18, 11786665), (22, 9643635), (30, 7071999), (31, 6843870), (33, 6429090), (45, 4714666), (55, 3857454), (62, 3421935), (66, 3214545), (90, 2357333), (93, 2281290), (99, 2143030), (110, 1928727), (155, 1368774), (165, 1285818), (186, 1140645), (198, 1071515), (223, 951390), (279, 760430), (310, 684387), (330, 642909), (341, 622170), (446, 475695), (465, 456258), (495, 428606), (558, 380215), (669, 317130), (682, 311085), (930, 228129), (961, 220770), (990, 214303), (1023, 207390), (1115, 190278), (1338, 158565), (1395, 152086), (1705, 124434), (1922, 110385), (2007, 105710), (2046, 103695), (2230, 95139), (2453, 86490), (2790, 76043), (2883, 73590), (3069, 69130), (3345, 63426), (3410, 62217), (4014, 52855), (4805, 44154), (4906, 43245), (5115, 41478), (5766, 36795), (6138, 34565), (6690, 31713), (6913, 30690), (7359, 28830), (8649, 24530), (9610, 22077), (10035, 21142), (10230, 20739), (10571, 20070), (12265, 17298), (13826, 15345), (14415, 14718)]