40376900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 93744000

約数和(自身を除く): 53367100

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 79, 95, 100, 158, 190, 269, 316, 380, 395, 475, 538, 790, 950, 1076, 1345, 1501, 1580, 1900, 1975, 2690, 3002, 3950, 5111, 5380, 6004, 6725, 7505, 7900, 10222, 13450, 15010, 20444, 21251, 25555, 26900, 30020, 37525, 42502, 51110, 75050, 85004, 102220, 106255, 127775, 150100, 212510, 255550, 403769, 425020, 511100, 531275, 807538, 1062550, 1615076, 2018845, 2125100, 4037690, 8075380, 10094225, 20188450, 40376900]

約数ペア:

[(1, 40376900), (2, 20188450), (4, 10094225), (5, 8075380), (10, 4037690), (19, 2125100), (20, 2018845), (25, 1615076), (38, 1062550), (50, 807538), (76, 531275), (79, 511100), (95, 425020), (100, 403769), (158, 255550), (190, 212510), (269, 150100), (316, 127775), (380, 106255), (395, 102220), (475, 85004), (538, 75050), (790, 51110), (950, 42502), (1076, 37525), (1345, 30020), (1501, 26900), (1580, 25555), (1900, 21251), (1975, 20444), (2690, 15010), (3002, 13450), (3950, 10222), (5111, 7900), (5380, 7505), (6004, 6725)]