996917840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{21157}}^1$

素因数の和:21220

約数の個数: 80

約数和(自身を含む): 2518648320

約数和(自身を除く): 1521730480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 38, 40, 62, 76, 80, 95, 124, 152, 155, 190, 248, 304, 310, 380, 496, 589, 620, 760, 1178, 1240, 1520, 2356, 2480, 2945, 4712, 5890, 9424, 11780, 21157, 23560, 42314, 47120, 84628, 105785, 169256, 211570, 338512, 401983, 423140, 655867, 803966, 846280, 1311734, 1607932, 1692560, 2009915, 2623468, 3215864, 3279335, 4019830, 5246936, 6431728, 6558670, 8039660, 10493872, 12461473, 13117340, 16079320, 24922946, 26234680, 32158640, 49845892, 52469360, 62307365, 99691784, 124614730, 199383568, 249229460, 498458920, 996917840]

約数ペア:

[(1, 996917840), (2, 498458920), (4, 249229460), (5, 199383568), (8, 124614730), (10, 99691784), (16, 62307365), (19, 52469360), (20, 49845892), (31, 32158640), (38, 26234680), (40, 24922946), (62, 16079320), (76, 13117340), (80, 12461473), (95, 10493872), (124, 8039660), (152, 6558670), (155, 6431728), (190, 5246936), (248, 4019830), (304, 3279335), (310, 3215864), (380, 2623468), (496, 2009915), (589, 1692560), (620, 1607932), (760, 1311734), (1178, 846280), (1240, 803966), (1520, 655867), (2356, 423140), (2480, 401983), (2945, 338512), (4712, 211570), (5890, 169256), (9424, 105785), (11780, 84628), (21157, 47120), (23560, 42314)]