421801960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{620297}}^1$

素因数の和:620325

約数の個数: 32

約数和(自身を含む): 1004882760

約数和(自身を除く): 583080800

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 620297, 1240594, 2481188, 3101485, 4962376, 6202970, 10545049, 12405940, 21090098, 24811880, 42180196, 52725245, 84360392, 105450490, 210900980, 421801960]

約数ペア:

[(1, 421801960), (2, 210900980), (4, 105450490), (5, 84360392), (8, 52725245), (10, 42180196), (17, 24811880), (20, 21090098), (34, 12405940), (40, 10545049), (68, 6202970), (85, 4962376), (136, 3101485), (170, 2481188), (340, 1240594), (680, 620297)]