309572510

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 96

約数和(自身を含む): 657745920

約数和(自身を除く): 348173410

約数列:

[1, 2, 5, 10, 13, 19, 26, 31, 38, 62, 65, 95, 130, 155, 169, 190, 247, 310, 311, 338, 403, 494, 589, 622, 806, 845, 1178, 1235, 1555, 1690, 2015, 2470, 2945, 3110, 3211, 4030, 4043, 5239, 5890, 5909, 6422, 7657, 8086, 9641, 10478, 11818, 15314, 16055, 19282, 20215, 26195, 29545, 32110, 38285, 40430, 48205, 52390, 52559, 59090, 76570, 76817, 96410, 99541, 105118, 125333, 153634, 183179, 199082, 250666, 262795, 366358, 384085, 497705, 525590, 626665, 768170, 915895, 995410, 998621, 1253330, 1629329, 1831790, 1997242, 2381327, 3258658, 4762654, 4993105, 8146645, 9986210, 11906635, 16293290, 23813270, 30957251, 61914502, 154786255, 309572510]

約数ペア:

[(1, 309572510), (2, 154786255), (5, 61914502), (10, 30957251), (13, 23813270), (19, 16293290), (26, 11906635), (31, 9986210), (38, 8146645), (62, 4993105), (65, 4762654), (95, 3258658), (130, 2381327), (155, 1997242), (169, 1831790), (190, 1629329), (247, 1253330), (310, 998621), (311, 995410), (338, 915895), (403, 768170), (494, 626665), (589, 525590), (622, 497705), (806, 384085), (845, 366358), (1178, 262795), (1235, 250666), (1555, 199082), (1690, 183179), (2015, 153634), (2470, 125333), (2945, 105118), (3110, 99541), (3211, 96410), (4030, 76817), (4043, 76570), (5239, 59090), (5890, 52559), (5909, 52390), (6422, 48205), (7657, 40430), (8086, 38285), (9641, 32110), (10478, 29545), (11818, 26195), (15314, 20215), (16055, 19282)]