4399360

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{491}}^1$

素因数の和:519

約数の個数: 72

約数和(自身を含む): 12067776

約数和(自身を除く): 7668416

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 491, 560, 640, 896, 982, 1120, 1280, 1792, 1964, 2240, 2455, 3437, 3928, 4480, 4910, 6874, 7856, 8960, 9820, 13748, 15712, 17185, 19640, 27496, 31424, 34370, 39280, 54992, 62848, 68740, 78560, 109984, 125696, 137480, 157120, 219968, 274960, 314240, 439936, 549920, 628480, 879872, 1099840, 2199680, 4399360]

約数ペア:

[(1, 4399360), (2, 2199680), (4, 1099840), (5, 879872), (7, 628480), (8, 549920), (10, 439936), (14, 314240), (16, 274960), (20, 219968), (28, 157120), (32, 137480), (35, 125696), (40, 109984), (56, 78560), (64, 68740), (70, 62848), (80, 54992), (112, 39280), (128, 34370), (140, 31424), (160, 27496), (224, 19640), (256, 17185), (280, 15712), (320, 13748), (448, 9820), (491, 8960), (560, 7856), (640, 6874), (896, 4910), (982, 4480), (1120, 3928), (1280, 3437), (1792, 2455), (1964, 2240)]