212936220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{9941}}^1$

素因数の和:9980

約数の個数: 144

約数和(自身を含む): 781679808

約数和(自身を除く): 568743588

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 28, 30, 34, 35, 36, 42, 45, 51, 60, 63, 68, 70, 84, 85, 90, 102, 105, 119, 126, 140, 153, 170, 180, 204, 210, 238, 252, 255, 306, 315, 340, 357, 420, 476, 510, 595, 612, 630, 714, 765, 1020, 1071, 1190, 1260, 1428, 1530, 1785, 2142, 2380, 3060, 3570, 4284, 5355, 7140, 9941, 10710, 19882, 21420, 29823, 39764, 49705, 59646, 69587, 89469, 99410, 119292, 139174, 149115, 168997, 178938, 198820, 208761, 278348, 298230, 337994, 347935, 357876, 417522, 447345, 506991, 596460, 626283, 675988, 695870, 835044, 844985, 894690, 1013982, 1043805, 1182979, 1252566, 1391740, 1520973, 1689970, 1789380, 2027964, 2087610, 2365958, 2505132, 2534955, 3041946, 3131415, 3379940, 3548937, 4175220, 4731916, 5069910, 5914895, 6083892, 6262830, 7097874, 7604865, 10139820, 10646811, 11829790, 12525660, 14195748, 15209730, 17744685, 21293622, 23659580, 30419460, 35489370, 42587244, 53234055, 70978740, 106468110, 212936220]

約数ペア:

[(1, 212936220), (2, 106468110), (3, 70978740), (4, 53234055), (5, 42587244), (6, 35489370), (7, 30419460), (9, 23659580), (10, 21293622), (12, 17744685), (14, 15209730), (15, 14195748), (17, 12525660), (18, 11829790), (20, 10646811), (21, 10139820), (28, 7604865), (30, 7097874), (34, 6262830), (35, 6083892), (36, 5914895), (42, 5069910), (45, 4731916), (51, 4175220), (60, 3548937), (63, 3379940), (68, 3131415), (70, 3041946), (84, 2534955), (85, 2505132), (90, 2365958), (102, 2087610), (105, 2027964), (119, 1789380), (126, 1689970), (140, 1520973), (153, 1391740), (170, 1252566), (180, 1182979), (204, 1043805), (210, 1013982), (238, 894690), (252, 844985), (255, 835044), (306, 695870), (315, 675988), (340, 626283), (357, 596460), (420, 506991), (476, 447345), (510, 417522), (595, 357876), (612, 347935), (630, 337994), (714, 298230), (765, 278348), (1020, 208761), (1071, 198820), (1190, 178938), (1260, 168997), (1428, 149115), (1530, 139174), (1785, 119292), (2142, 99410), (2380, 89469), (3060, 69587), (3570, 59646), (4284, 49705), (5355, 39764), (7140, 29823), (9941, 21420), (10710, 19882)]