438391732120

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{967}}^1\times {\mathrm{390821}}^1$

素因数の和:391828

約数の個数: 64

約数和(自身を含む): 1021452379200

約数和(自身を除く): 583060647080

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 967, 1160, 1934, 3868, 4835, 7736, 9670, 19340, 28043, 38680, 56086, 112172, 140215, 224344, 280430, 390821, 560860, 781642, 1121720, 1563284, 1954105, 3126568, 3908210, 7816420, 11333809, 15632840, 22667618, 45335236, 56669045, 90670472, 113338090, 226676180, 377923907, 453352360, 755847814, 1511695628, 1889619535, 3023391256, 3779239070, 7558478140, 10959793303, 15116956280, 21919586606, 43839173212, 54798966515, 87678346424, 109597933030, 219195866060, 438391732120]

約数ペア:

[(1, 438391732120), (2, 219195866060), (4, 109597933030), (5, 87678346424), (8, 54798966515), (10, 43839173212), (20, 21919586606), (29, 15116956280), (40, 10959793303), (58, 7558478140), (116, 3779239070), (145, 3023391256), (232, 1889619535), (290, 1511695628), (580, 755847814), (967, 453352360), (1160, 377923907), (1934, 226676180), (3868, 113338090), (4835, 90670472), (7736, 56669045), (9670, 45335236), (19340, 22667618), (28043, 15632840), (38680, 11333809), (56086, 7816420), (112172, 3908210), (140215, 3126568), (224344, 1954105), (280430, 1563284), (390821, 1121720), (560860, 781642)]