87901400

素因数分解:

$2^3\times 5^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:333

約数の個数: 96

約数和(自身を含む): 216548640

約数和(自身を除く): 128647240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 25, 40, 46, 50, 92, 97, 100, 115, 184, 194, 197, 200, 230, 388, 394, 460, 485, 575, 776, 788, 920, 970, 985, 1150, 1576, 1940, 1970, 2231, 2300, 2425, 3880, 3940, 4462, 4531, 4600, 4850, 4925, 7880, 8924, 9062, 9700, 9850, 11155, 17848, 18124, 19109, 19400, 19700, 22310, 22655, 36248, 38218, 39400, 44620, 45310, 55775, 76436, 89240, 90620, 95545, 111550, 113275, 152872, 181240, 191090, 223100, 226550, 382180, 439507, 446200, 453100, 477725, 764360, 879014, 906200, 955450, 1758028, 1910900, 2197535, 3516056, 3821800, 4395070, 8790140, 10987675, 17580280, 21975350, 43950700, 87901400]

約数ペア:

[(1, 87901400), (2, 43950700), (4, 21975350), (5, 17580280), (8, 10987675), (10, 8790140), (20, 4395070), (23, 3821800), (25, 3516056), (40, 2197535), (46, 1910900), (50, 1758028), (92, 955450), (97, 906200), (100, 879014), (115, 764360), (184, 477725), (194, 453100), (197, 446200), (200, 439507), (230, 382180), (388, 226550), (394, 223100), (460, 191090), (485, 181240), (575, 152872), (776, 113275), (788, 111550), (920, 95545), (970, 90620), (985, 89240), (1150, 76436), (1576, 55775), (1940, 45310), (1970, 44620), (2231, 39400), (2300, 38218), (2425, 36248), (3880, 22655), (3940, 22310), (4462, 19700), (4531, 19400), (4600, 19109), (4850, 18124), (4925, 17848), (7880, 11155), (8924, 9850), (9062, 9700)]