438467960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{859}}^1\times {\mathrm{1823}}^1$

素因数の和:2700

約数の個数: 64

約数和(自身を含む): 1129420800

約数和(自身を除く): 690952840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 859, 1718, 1823, 3436, 3646, 4295, 6013, 6872, 7292, 8590, 9115, 12026, 12761, 14584, 17180, 18230, 24052, 25522, 30065, 34360, 36460, 48104, 51044, 60130, 63805, 72920, 102088, 120260, 127610, 240520, 255220, 510440, 1565957, 3131914, 6263828, 7829785, 10961699, 12527656, 15659570, 21923398, 31319140, 43846796, 54808495, 62638280, 87693592, 109616990, 219233980, 438467960]

約数ペア:

[(1, 438467960), (2, 219233980), (4, 109616990), (5, 87693592), (7, 62638280), (8, 54808495), (10, 43846796), (14, 31319140), (20, 21923398), (28, 15659570), (35, 12527656), (40, 10961699), (56, 7829785), (70, 6263828), (140, 3131914), (280, 1565957), (859, 510440), (1718, 255220), (1823, 240520), (3436, 127610), (3646, 120260), (4295, 102088), (6013, 72920), (6872, 63805), (7292, 60130), (8590, 51044), (9115, 48104), (12026, 36460), (12761, 34360), (14584, 30065), (17180, 25522), (18230, 24052)]