29937440

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:454

約数の個数: 96

約数和(自身を含む): 78427440

約数和(自身を除く): 48490000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 37, 40, 52, 65, 74, 80, 104, 130, 148, 160, 185, 208, 260, 296, 370, 389, 416, 481, 520, 592, 740, 778, 962, 1040, 1184, 1480, 1556, 1924, 1945, 2080, 2405, 2960, 3112, 3848, 3890, 4810, 5057, 5920, 6224, 7696, 7780, 9620, 10114, 12448, 14393, 15392, 15560, 19240, 20228, 25285, 28786, 31120, 38480, 40456, 50570, 57572, 62240, 71965, 76960, 80912, 101140, 115144, 143930, 161824, 187109, 202280, 230288, 287860, 374218, 404560, 460576, 575720, 748436, 809120, 935545, 1151440, 1496872, 1871090, 2302880, 2993744, 3742180, 5987488, 7484360, 14968720, 29937440]

約数ペア:

[(1, 29937440), (2, 14968720), (4, 7484360), (5, 5987488), (8, 3742180), (10, 2993744), (13, 2302880), (16, 1871090), (20, 1496872), (26, 1151440), (32, 935545), (37, 809120), (40, 748436), (52, 575720), (65, 460576), (74, 404560), (80, 374218), (104, 287860), (130, 230288), (148, 202280), (160, 187109), (185, 161824), (208, 143930), (260, 115144), (296, 101140), (370, 80912), (389, 76960), (416, 71965), (481, 62240), (520, 57572), (592, 50570), (740, 40456), (778, 38480), (962, 31120), (1040, 28786), (1184, 25285), (1480, 20228), (1556, 19240), (1924, 15560), (1945, 15392), (2080, 14393), (2405, 12448), (2960, 10114), (3112, 9620), (3848, 7780), (3890, 7696), (4810, 6224), (5057, 5920)]