307187140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 726485760

約数和(自身を除く): 419298620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 29, 52, 58, 65, 116, 130, 131, 145, 260, 262, 290, 311, 377, 524, 580, 622, 655, 754, 1244, 1310, 1508, 1555, 1703, 1885, 2620, 3110, 3406, 3770, 3799, 4043, 6220, 6812, 7540, 7598, 8086, 8515, 9019, 15196, 16172, 17030, 18038, 18995, 20215, 34060, 36076, 37990, 40430, 40741, 45095, 49387, 75980, 80860, 81482, 90190, 98774, 117247, 162964, 180380, 197548, 203705, 234494, 246935, 407410, 468988, 493870, 529633, 586235, 814820, 987740, 1059266, 1172470, 1181489, 2118532, 2344940, 2362978, 2648165, 4725956, 5296330, 5907445, 10592660, 11814890, 15359357, 23629780, 30718714, 61437428, 76796785, 153593570, 307187140]

約数ペア:

[(1, 307187140), (2, 153593570), (4, 76796785), (5, 61437428), (10, 30718714), (13, 23629780), (20, 15359357), (26, 11814890), (29, 10592660), (52, 5907445), (58, 5296330), (65, 4725956), (116, 2648165), (130, 2362978), (131, 2344940), (145, 2118532), (260, 1181489), (262, 1172470), (290, 1059266), (311, 987740), (377, 814820), (524, 586235), (580, 529633), (622, 493870), (655, 468988), (754, 407410), (1244, 246935), (1310, 234494), (1508, 203705), (1555, 197548), (1703, 180380), (1885, 162964), (2620, 117247), (3110, 98774), (3406, 90190), (3770, 81482), (3799, 80860), (4043, 75980), (6220, 49387), (6812, 45095), (7540, 40741), (7598, 40430), (8086, 37990), (8515, 36076), (9019, 34060), (15196, 20215), (16172, 18995), (17030, 18038)]