988438920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{1176713}}^1$

素因数の和:1176734

約数の個数: 64

約数和(自身を含む): 3388936320

約数和(自身を除く): 2400497400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 1176713, 2353426, 3530139, 4706852, 5883565, 7060278, 8236991, 9413704, 11767130, 14120556, 16473982, 17650695, 23534260, 24710973, 28241112, 32947964, 35301390, 41184955, 47068520, 49421946, 65895928, 70602780, 82369910, 98843892, 123554865, 141205560, 164739820, 197687784, 247109730, 329479640, 494219460, 988438920]

約数ペア:

[(1, 988438920), (2, 494219460), (3, 329479640), (4, 247109730), (5, 197687784), (6, 164739820), (7, 141205560), (8, 123554865), (10, 98843892), (12, 82369910), (14, 70602780), (15, 65895928), (20, 49421946), (21, 47068520), (24, 41184955), (28, 35301390), (30, 32947964), (35, 28241112), (40, 24710973), (42, 23534260), (56, 17650695), (60, 16473982), (70, 14120556), (84, 11767130), (105, 9413704), (120, 8236991), (140, 7060278), (168, 5883565), (210, 4706852), (280, 3530139), (420, 2353426), (840, 1176713)]