280426020

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{95383}}^1$

素因数の和:95409

約数の個数: 72

約数和(自身を含む): 913397184

約数和(自身を除く): 632971164

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, 95383, 190766, 286149, 381532, 476915, 572298, 667681, 953830, 1144596, 1335362, 1430745, 1907660, 2003043, 2670724, 2861490, 3338405, 4006086, 4673767, 5722980, 6676810, 8012172, 9347534, 10015215, 13353620, 14021301, 18695068, 20030430, 23368835, 28042602, 40060860, 46737670, 56085204, 70106505, 93475340, 140213010, 280426020]

約数ペア:

[(1, 280426020), (2, 140213010), (3, 93475340), (4, 70106505), (5, 56085204), (6, 46737670), (7, 40060860), (10, 28042602), (12, 23368835), (14, 20030430), (15, 18695068), (20, 14021301), (21, 13353620), (28, 10015215), (30, 9347534), (35, 8012172), (42, 6676810), (49, 5722980), (60, 4673767), (70, 4006086), (84, 3338405), (98, 2861490), (105, 2670724), (140, 2003043), (147, 1907660), (196, 1430745), (210, 1335362), (245, 1144596), (294, 953830), (420, 667681), (490, 572298), (588, 476915), (735, 381532), (980, 286149), (1470, 190766), (2940, 95383)]