740308270

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{197}}^1\times {\mathrm{211}}^1$

素因数の和:565

約数の個数: 64

約数和(自身を含む): 1459757376

約数和(自身を除く): 719449106

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 137, 197, 211, 274, 394, 422, 685, 985, 1055, 1370, 1781, 1970, 2110, 2561, 2743, 3562, 5122, 5486, 8905, 12805, 13715, 17810, 25610, 26989, 27430, 28907, 41567, 53978, 57814, 83134, 134945, 144535, 207835, 269890, 289070, 350857, 375791, 415670, 540371, 701714, 751582, 1080742, 1754285, 1878955, 2701855, 3508570, 3757910, 5403710, 5694679, 11389358, 28473395, 56946790, 74030827, 148061654, 370154135, 740308270]

約数ペア:

[(1, 740308270), (2, 370154135), (5, 148061654), (10, 74030827), (13, 56946790), (26, 28473395), (65, 11389358), (130, 5694679), (137, 5403710), (197, 3757910), (211, 3508570), (274, 2701855), (394, 1878955), (422, 1754285), (685, 1080742), (985, 751582), (1055, 701714), (1370, 540371), (1781, 415670), (1970, 375791), (2110, 350857), (2561, 289070), (2743, 269890), (3562, 207835), (5122, 144535), (5486, 134945), (8905, 83134), (12805, 57814), (13715, 53978), (17810, 41567), (25610, 28907), (26989, 27430)]