142770940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{28901}}^1$

素因数の和:28942

約数の個数: 48

約数和(自身を含む): 339887520

約数和(自身を除く): 197116580

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 28901, 57802, 115604, 144505, 289010, 375713, 549119, 578020, 751426, 1098238, 1502852, 1878565, 2196476, 2745595, 3757130, 5491190, 7138547, 7514260, 10982380, 14277094, 28554188, 35692735, 71385470, 142770940]

約数ペア:

[(1, 142770940), (2, 71385470), (4, 35692735), (5, 28554188), (10, 14277094), (13, 10982380), (19, 7514260), (20, 7138547), (26, 5491190), (38, 3757130), (52, 2745595), (65, 2196476), (76, 1878565), (95, 1502852), (130, 1098238), (190, 751426), (247, 578020), (260, 549119), (380, 375713), (494, 289010), (988, 144505), (1235, 115604), (2470, 57802), (4940, 28901)]