201986920

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{911}}^1$

素因数の和:1186

約数の個数: 64

約数和(自身を含む): 476720640

約数和(自身を除く): 274733720

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 241, 460, 482, 911, 920, 964, 1205, 1822, 1928, 2410, 3644, 4555, 4820, 5543, 7288, 9110, 9640, 11086, 18220, 20953, 22172, 27715, 36440, 41906, 44344, 55430, 83812, 104765, 110860, 167624, 209530, 219551, 221720, 419060, 439102, 838120, 878204, 1097755, 1756408, 2195510, 4391020, 5049673, 8782040, 10099346, 20198692, 25248365, 40397384, 50496730, 100993460, 201986920]

約数ペア:

[(1, 201986920), (2, 100993460), (4, 50496730), (5, 40397384), (8, 25248365), (10, 20198692), (20, 10099346), (23, 8782040), (40, 5049673), (46, 4391020), (92, 2195510), (115, 1756408), (184, 1097755), (230, 878204), (241, 838120), (460, 439102), (482, 419060), (911, 221720), (920, 219551), (964, 209530), (1205, 167624), (1822, 110860), (1928, 104765), (2410, 83812), (3644, 55430), (4555, 44344), (4820, 41906), (5543, 36440), (7288, 27715), (9110, 22172), (9640, 20953), (11086, 18220)]