381946180

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{3221}}^1$

素因数の和:3266

約数の個数: 108

約数和(自身を含む): 1025891244

約数和(自身を除く): 643945064

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 49, 55, 70, 77, 98, 110, 121, 140, 154, 196, 220, 242, 245, 308, 385, 484, 490, 539, 605, 770, 847, 980, 1078, 1210, 1540, 1694, 2156, 2420, 2695, 3221, 3388, 4235, 5390, 5929, 6442, 8470, 10780, 11858, 12884, 16105, 16940, 22547, 23716, 29645, 32210, 35431, 45094, 59290, 64420, 70862, 90188, 112735, 118580, 141724, 157829, 177155, 225470, 248017, 315658, 354310, 389741, 450940, 496034, 631316, 708620, 779482, 789145, 992068, 1240085, 1558964, 1578290, 1736119, 1948705, 2480170, 2728187, 3156580, 3472238, 3897410, 4960340, 5456374, 6944476, 7794820, 8680595, 10912748, 13640935, 17361190, 19097309, 27281870, 34722380, 38194618, 54563740, 76389236, 95486545, 190973090, 381946180]

約数ペア:

[(1, 381946180), (2, 190973090), (4, 95486545), (5, 76389236), (7, 54563740), (10, 38194618), (11, 34722380), (14, 27281870), (20, 19097309), (22, 17361190), (28, 13640935), (35, 10912748), (44, 8680595), (49, 7794820), (55, 6944476), (70, 5456374), (77, 4960340), (98, 3897410), (110, 3472238), (121, 3156580), (140, 2728187), (154, 2480170), (196, 1948705), (220, 1736119), (242, 1578290), (245, 1558964), (308, 1240085), (385, 992068), (484, 789145), (490, 779482), (539, 708620), (605, 631316), (770, 496034), (847, 450940), (980, 389741), (1078, 354310), (1210, 315658), (1540, 248017), (1694, 225470), (2156, 177155), (2420, 157829), (2695, 141724), (3221, 118580), (3388, 112735), (4235, 90188), (5390, 70862), (5929, 64420), (6442, 59290), (8470, 45094), (10780, 35431), (11858, 32210), (12884, 29645), (16105, 23716), (16940, 22547)]