321945940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1\times {\mathrm{2351}}^1$

素因数の和:2568

約数の個数: 48

約数和(自身を含む): 697019904

約数和(自身を除く): 375073964

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 167, 205, 334, 410, 668, 820, 835, 1670, 2351, 3340, 4702, 6847, 9404, 11755, 13694, 23510, 27388, 34235, 47020, 68470, 96391, 136940, 192782, 385564, 392617, 481955, 785234, 963910, 1570468, 1927820, 1963085, 3926170, 7852340, 16097297, 32194594, 64389188, 80486485, 160972970, 321945940]

約数ペア:

[(1, 321945940), (2, 160972970), (4, 80486485), (5, 64389188), (10, 32194594), (20, 16097297), (41, 7852340), (82, 3926170), (164, 1963085), (167, 1927820), (205, 1570468), (334, 963910), (410, 785234), (668, 481955), (820, 392617), (835, 385564), (1670, 192782), (2351, 136940), (3340, 96391), (4702, 68470), (6847, 47020), (9404, 34235), (11755, 27388), (13694, 23510)]