4410980

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{643}}^1$

素因数の和:673

約数の個数: 48

約数和(自身を含む): 10819200

約数和(自身を除く): 6408220

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 343, 490, 643, 686, 980, 1286, 1372, 1715, 2572, 3215, 3430, 4501, 6430, 6860, 9002, 12860, 18004, 22505, 31507, 45010, 63014, 90020, 126028, 157535, 220549, 315070, 441098, 630140, 882196, 1102745, 2205490, 4410980]

約数ペア:

[(1, 4410980), (2, 2205490), (4, 1102745), (5, 882196), (7, 630140), (10, 441098), (14, 315070), (20, 220549), (28, 157535), (35, 126028), (49, 90020), (70, 63014), (98, 45010), (140, 31507), (196, 22505), (245, 18004), (343, 12860), (490, 9002), (643, 6860), (686, 6430), (980, 4501), (1286, 3430), (1372, 3215), (1715, 2572)]