49919940

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{39619}}^1$

素因数の和:39641

約数の個数: 72

約数和(自身を含む): 173060160

約数和(自身を除く): 123140220

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 39619, 79238, 118857, 158476, 198095, 237714, 277333, 356571, 396190, 475428, 554666, 594285, 713142, 792380, 831999, 1109332, 1188570, 1386665, 1426284, 1663998, 1782855, 2377140, 2495997, 2773330, 3327996, 3565710, 4159995, 4991994, 5546660, 7131420, 8319990, 9983988, 12479985, 16639980, 24959970, 49919940]

約数ペア:

[(1, 49919940), (2, 24959970), (3, 16639980), (4, 12479985), (5, 9983988), (6, 8319990), (7, 7131420), (9, 5546660), (10, 4991994), (12, 4159995), (14, 3565710), (15, 3327996), (18, 2773330), (20, 2495997), (21, 2377140), (28, 1782855), (30, 1663998), (35, 1426284), (36, 1386665), (42, 1188570), (45, 1109332), (60, 831999), (63, 792380), (70, 713142), (84, 594285), (90, 554666), (105, 475428), (126, 396190), (140, 356571), (180, 277333), (210, 237714), (252, 198095), (315, 158476), (420, 118857), (630, 79238), (1260, 39619)]