2912117840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{983}}^1\times {\mathrm{1949}}^1$

素因数の和:2964

約数の個数: 80

約数和(自身を含む): 7137936000

約数和(自身を除く): 4225818160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 983, 1520, 1949, 1966, 3898, 3932, 4915, 7796, 7864, 9745, 9830, 15592, 15728, 18677, 19490, 19660, 31184, 37031, 37354, 38980, 39320, 74062, 74708, 77960, 78640, 93385, 148124, 149416, 155920, 185155, 186770, 296248, 298832, 370310, 373540, 592496, 740620, 747080, 1481240, 1494160, 1915867, 2962480, 3831734, 7663468, 9579335, 15326936, 19158670, 30653872, 36401473, 38317340, 72802946, 76634680, 145605892, 153269360, 182007365, 291211784, 364014730, 582423568, 728029460, 1456058920, 2912117840]

約数ペア:

[(1, 2912117840), (2, 1456058920), (4, 728029460), (5, 582423568), (8, 364014730), (10, 291211784), (16, 182007365), (19, 153269360), (20, 145605892), (38, 76634680), (40, 72802946), (76, 38317340), (80, 36401473), (95, 30653872), (152, 19158670), (190, 15326936), (304, 9579335), (380, 7663468), (760, 3831734), (983, 2962480), (1520, 1915867), (1949, 1494160), (1966, 1481240), (3898, 747080), (3932, 740620), (4915, 592496), (7796, 373540), (7864, 370310), (9745, 298832), (9830, 296248), (15592, 186770), (15728, 185155), (18677, 155920), (19490, 149416), (19660, 148124), (31184, 93385), (37031, 78640), (37354, 77960), (38980, 74708), (39320, 74062)]