7490707900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{137}}^2\times {\mathrm{307}}^1$

素因数の和:608

約数の個数: 108

約数和(自身を含む): 17691355528

約数和(自身を除く): 10200647628

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 137, 260, 274, 307, 325, 548, 614, 650, 685, 1228, 1300, 1370, 1535, 1781, 2740, 3070, 3425, 3562, 3991, 6140, 6850, 7124, 7675, 7982, 8905, 13700, 15350, 15964, 17810, 18769, 19955, 30700, 35620, 37538, 39910, 42059, 44525, 75076, 79820, 84118, 89050, 93845, 99775, 168236, 178100, 187690, 199550, 210295, 243997, 375380, 399100, 420590, 469225, 487994, 546767, 841180, 938450, 975988, 1051475, 1093534, 1219985, 1876900, 2102950, 2187068, 2439970, 2733835, 4205900, 4879940, 5467670, 5762083, 6099925, 10935340, 11524166, 12199850, 13669175, 23048332, 24399700, 27338350, 28810415, 54676700, 57620830, 74907079, 115241660, 144052075, 149814158, 288104150, 299628316, 374535395, 576208300, 749070790, 1498141580, 1872676975, 3745353950, 7490707900]

約数ペア:

[(1, 7490707900), (2, 3745353950), (4, 1872676975), (5, 1498141580), (10, 749070790), (13, 576208300), (20, 374535395), (25, 299628316), (26, 288104150), (50, 149814158), (52, 144052075), (65, 115241660), (100, 74907079), (130, 57620830), (137, 54676700), (260, 28810415), (274, 27338350), (307, 24399700), (325, 23048332), (548, 13669175), (614, 12199850), (650, 11524166), (685, 10935340), (1228, 6099925), (1300, 5762083), (1370, 5467670), (1535, 4879940), (1781, 4205900), (2740, 2733835), (3070, 2439970), (3425, 2187068), (3562, 2102950), (3991, 1876900), (6140, 1219985), (6850, 1093534), (7124, 1051475), (7675, 975988), (7982, 938450), (8905, 841180), (13700, 546767), (15350, 487994), (15964, 469225), (17810, 420590), (18769, 399100), (19955, 375380), (30700, 243997), (35620, 210295), (37538, 199550), (39910, 187690), (42059, 178100), (44525, 168236), (75076, 99775), (79820, 93845), (84118, 89050)]