40868940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{13901}}^1$

素因数の和:13927

約数の個数: 72

約数和(自身を含む): 133125552

約数和(自身を除く): 92256612

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 13901, 27802, 41703, 55604, 69505, 83406, 97307, 139010, 166812, 194614, 208515, 278020, 291921, 389228, 417030, 486535, 583842, 681149, 834060, 973070, 1167684, 1362298, 1459605, 1946140, 2043447, 2724596, 2919210, 3405745, 4086894, 5838420, 6811490, 8173788, 10217235, 13622980, 20434470, 40868940]

約数ペア:

[(1, 40868940), (2, 20434470), (3, 13622980), (4, 10217235), (5, 8173788), (6, 6811490), (7, 5838420), (10, 4086894), (12, 3405745), (14, 2919210), (15, 2724596), (20, 2043447), (21, 1946140), (28, 1459605), (30, 1362298), (35, 1167684), (42, 973070), (49, 834060), (60, 681149), (70, 583842), (84, 486535), (98, 417030), (105, 389228), (140, 291921), (147, 278020), (196, 208515), (210, 194614), (245, 166812), (294, 139010), (420, 97307), (490, 83406), (588, 69505), (735, 55604), (980, 41703), (1470, 27802), (2940, 13901)]