320436260

素因数分解:

$2^2\times 5^1\times {\mathrm{167}}^1\times {\mathrm{197}}^1\times {\mathrm{487}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 681778944

約数和(自身を除く): 361342684

約数列:

[1, 2, 4, 5, 10, 20, 167, 197, 334, 394, 487, 668, 788, 835, 974, 985, 1670, 1948, 1970, 2435, 3340, 3940, 4870, 9740, 32899, 65798, 81329, 95939, 131596, 162658, 164495, 191878, 325316, 328990, 383756, 406645, 479695, 657980, 813290, 959390, 1626580, 1918780, 16021813, 32043626, 64087252, 80109065, 160218130, 320436260]

約数ペア:

[(1, 320436260), (2, 160218130), (4, 80109065), (5, 64087252), (10, 32043626), (20, 16021813), (167, 1918780), (197, 1626580), (334, 959390), (394, 813290), (487, 657980), (668, 479695), (788, 406645), (835, 383756), (974, 328990), (985, 325316), (1670, 191878), (1948, 164495), (1970, 162658), (2435, 131596), (3340, 95939), (3940, 81329), (4870, 65798), (9740, 32899)]