6550040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:324

約数の個数: 64

約数和(自身を含む): 17064000

約数和(自身を除く): 10513960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 149, 157, 280, 298, 314, 596, 628, 745, 785, 1043, 1099, 1192, 1256, 1490, 1570, 2086, 2198, 2980, 3140, 4172, 4396, 5215, 5495, 5960, 6280, 8344, 8792, 10430, 10990, 20860, 21980, 23393, 41720, 43960, 46786, 93572, 116965, 163751, 187144, 233930, 327502, 467860, 655004, 818755, 935720, 1310008, 1637510, 3275020, 6550040]

約数ペア:

[(1, 6550040), (2, 3275020), (4, 1637510), (5, 1310008), (7, 935720), (8, 818755), (10, 655004), (14, 467860), (20, 327502), (28, 233930), (35, 187144), (40, 163751), (56, 116965), (70, 93572), (140, 46786), (149, 43960), (157, 41720), (280, 23393), (298, 21980), (314, 20860), (596, 10990), (628, 10430), (745, 8792), (785, 8344), (1043, 6280), (1099, 5960), (1192, 5495), (1256, 5215), (1490, 4396), (1570, 4172), (2086, 3140), (2198, 2980)]