140246820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^2\times {\mathrm{15901}}^1$

素因数の和:15930

約数の個数: 108

約数和(自身を含む): 494902044

約数和(自身を除く): 354655224

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 245, 252, 294, 315, 420, 441, 490, 588, 630, 735, 882, 980, 1260, 1470, 1764, 2205, 2940, 4410, 8820, 15901, 31802, 47703, 63604, 79505, 95406, 111307, 143109, 159010, 190812, 222614, 238515, 286218, 318020, 333921, 445228, 477030, 556535, 572436, 667842, 715545, 779149, 954060, 1001763, 1113070, 1335684, 1431090, 1558298, 1669605, 2003526, 2226140, 2337447, 2862180, 3116596, 3339210, 3895745, 4007052, 4674894, 5008815, 6678420, 7012341, 7791490, 9349788, 10017630, 11687235, 14024682, 15582980, 20035260, 23374470, 28049364, 35061705, 46748940, 70123410, 140246820]

約数ペア:

[(1, 140246820), (2, 70123410), (3, 46748940), (4, 35061705), (5, 28049364), (6, 23374470), (7, 20035260), (9, 15582980), (10, 14024682), (12, 11687235), (14, 10017630), (15, 9349788), (18, 7791490), (20, 7012341), (21, 6678420), (28, 5008815), (30, 4674894), (35, 4007052), (36, 3895745), (42, 3339210), (45, 3116596), (49, 2862180), (60, 2337447), (63, 2226140), (70, 2003526), (84, 1669605), (90, 1558298), (98, 1431090), (105, 1335684), (126, 1113070), (140, 1001763), (147, 954060), (180, 779149), (196, 715545), (210, 667842), (245, 572436), (252, 556535), (294, 477030), (315, 445228), (420, 333921), (441, 318020), (490, 286218), (588, 238515), (630, 222614), (735, 190812), (882, 159010), (980, 143109), (1260, 111307), (1470, 95406), (1764, 79505), (2205, 63604), (2940, 47703), (4410, 31802), (8820, 15901)]