3974550040

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{6949}}^1$

素因数の和:7220

約数の個数: 64

約数和(自身を含む): 9107280000

約数和(自身を除く): 5132729960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 181, 316, 362, 395, 632, 724, 790, 905, 1448, 1580, 1810, 3160, 3620, 6949, 7240, 13898, 14299, 27796, 28598, 34745, 55592, 57196, 69490, 71495, 114392, 138980, 142990, 277960, 285980, 548971, 571960, 1097942, 1257769, 2195884, 2515538, 2744855, 4391768, 5031076, 5489710, 6288845, 10062152, 10979420, 12577690, 21958840, 25155380, 50310760, 99363751, 198727502, 397455004, 496818755, 794910008, 993637510, 1987275020, 3974550040]

約数ペア:

[(1, 3974550040), (2, 1987275020), (4, 993637510), (5, 794910008), (8, 496818755), (10, 397455004), (20, 198727502), (40, 99363751), (79, 50310760), (158, 25155380), (181, 21958840), (316, 12577690), (362, 10979420), (395, 10062152), (632, 6288845), (724, 5489710), (790, 5031076), (905, 4391768), (1448, 2744855), (1580, 2515538), (1810, 2195884), (3160, 1257769), (3620, 1097942), (6949, 571960), (7240, 548971), (13898, 285980), (14299, 277960), (27796, 142990), (28598, 138980), (34745, 114392), (55592, 71495), (57196, 69490)]