30791600

素因数分解:

$2^4\times 5^2\times 7^2\times {\mathrm{1571}}^1$

素因数の和:1603

約数の個数: 90

約数和(自身を含む): 86109444

約数和(自身を除く): 55317844

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 49, 50, 56, 70, 80, 98, 100, 112, 140, 175, 196, 200, 245, 280, 350, 392, 400, 490, 560, 700, 784, 980, 1225, 1400, 1571, 1960, 2450, 2800, 3142, 3920, 4900, 6284, 7855, 9800, 10997, 12568, 15710, 19600, 21994, 25136, 31420, 39275, 43988, 54985, 62840, 76979, 78550, 87976, 109970, 125680, 153958, 157100, 175952, 219940, 274925, 307916, 314200, 384895, 439880, 549850, 615832, 628400, 769790, 879760, 1099700, 1231664, 1539580, 1924475, 2199400, 3079160, 3848950, 4398800, 6158320, 7697900, 15395800, 30791600]

約数ペア:

[(1, 30791600), (2, 15395800), (4, 7697900), (5, 6158320), (7, 4398800), (8, 3848950), (10, 3079160), (14, 2199400), (16, 1924475), (20, 1539580), (25, 1231664), (28, 1099700), (35, 879760), (40, 769790), (49, 628400), (50, 615832), (56, 549850), (70, 439880), (80, 384895), (98, 314200), (100, 307916), (112, 274925), (140, 219940), (175, 175952), (196, 157100), (200, 153958), (245, 125680), (280, 109970), (350, 87976), (392, 78550), (400, 76979), (490, 62840), (560, 54985), (700, 43988), (784, 39275), (980, 31420), (1225, 25136), (1400, 21994), (1571, 19600), (1960, 15710), (2450, 12568), (2800, 10997), (3142, 9800), (3920, 7855), (4900, 6284)]