198427740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27791}}^1$

素因数の和:27827

約数の個数: 96

約数和(自身を含む): 672344064

約数和(自身を除く): 473916324

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 42, 51, 60, 68, 70, 84, 85, 102, 105, 119, 140, 170, 204, 210, 238, 255, 340, 357, 420, 476, 510, 595, 714, 1020, 1190, 1428, 1785, 2380, 3570, 7140, 27791, 55582, 83373, 111164, 138955, 166746, 194537, 277910, 333492, 389074, 416865, 472447, 555820, 583611, 778148, 833730, 944894, 972685, 1167222, 1417341, 1667460, 1889788, 1945370, 2334444, 2362235, 2834682, 2918055, 3307129, 3890740, 4724470, 5669364, 5836110, 6614258, 7086705, 9448940, 9921387, 11672220, 13228516, 14173410, 16535645, 19842774, 28346820, 33071290, 39685548, 49606935, 66142580, 99213870, 198427740]

約数ペア:

[(1, 198427740), (2, 99213870), (3, 66142580), (4, 49606935), (5, 39685548), (6, 33071290), (7, 28346820), (10, 19842774), (12, 16535645), (14, 14173410), (15, 13228516), (17, 11672220), (20, 9921387), (21, 9448940), (28, 7086705), (30, 6614258), (34, 5836110), (35, 5669364), (42, 4724470), (51, 3890740), (60, 3307129), (68, 2918055), (70, 2834682), (84, 2362235), (85, 2334444), (102, 1945370), (105, 1889788), (119, 1667460), (140, 1417341), (170, 1167222), (204, 972685), (210, 944894), (238, 833730), (255, 778148), (340, 583611), (357, 555820), (420, 472447), (476, 416865), (510, 389074), (595, 333492), (714, 277910), (1020, 194537), (1190, 166746), (1428, 138955), (1785, 111164), (2380, 83373), (3570, 55582), (7140, 27791)]