315687492

素因数分解:

$2^2\times 3^2\times {\mathrm{149}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 809991000

約数和(自身を除く): 494303508

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 149, 229, 257, 298, 447, 458, 514, 596, 687, 771, 894, 916, 1028, 1341, 1374, 1542, 1788, 2061, 2313, 2682, 2748, 3084, 4122, 4626, 5364, 8244, 9252, 34121, 38293, 58853, 68242, 76586, 102363, 114879, 117706, 136484, 153172, 176559, 204726, 229758, 235412, 307089, 344637, 353118, 409452, 459516, 529677, 614178, 689274, 706236, 1059354, 1228356, 1378548, 2118708, 8769097, 17538194, 26307291, 35076388, 52614582, 78921873, 105229164, 157843746, 315687492]

約数ペア:

[(1, 315687492), (2, 157843746), (3, 105229164), (4, 78921873), (6, 52614582), (9, 35076388), (12, 26307291), (18, 17538194), (36, 8769097), (149, 2118708), (229, 1378548), (257, 1228356), (298, 1059354), (447, 706236), (458, 689274), (514, 614178), (596, 529677), (687, 459516), (771, 409452), (894, 353118), (916, 344637), (1028, 307089), (1341, 235412), (1374, 229758), (1542, 204726), (1788, 176559), (2061, 153172), (2313, 136484), (2682, 117706), (2748, 114879), (3084, 102363), (4122, 76586), (4626, 68242), (5364, 58853), (8244, 38293), (9252, 34121)]