278987970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{191}}^1\times {\mathrm{269}}^1$

素因数の和:651

約数の個数: 64

約数和(自身を含む): 679311360

約数和(自身を除く): 400323390

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 181, 191, 269, 362, 382, 538, 543, 573, 807, 905, 955, 1086, 1146, 1345, 1614, 1810, 1910, 2690, 2715, 2865, 4035, 5430, 5730, 8070, 34571, 48689, 51379, 69142, 97378, 102758, 103713, 146067, 154137, 172855, 207426, 243445, 256895, 292134, 308274, 345710, 486890, 513790, 518565, 730335, 770685, 1037130, 1460670, 1541370, 9299599, 18599198, 27898797, 46497995, 55797594, 92995990, 139493985, 278987970]

約数ペア:

[(1, 278987970), (2, 139493985), (3, 92995990), (5, 55797594), (6, 46497995), (10, 27898797), (15, 18599198), (30, 9299599), (181, 1541370), (191, 1460670), (269, 1037130), (362, 770685), (382, 730335), (538, 518565), (543, 513790), (573, 486890), (807, 345710), (905, 308274), (955, 292134), (1086, 256895), (1146, 243445), (1345, 207426), (1614, 172855), (1810, 154137), (1910, 146067), (2690, 103713), (2715, 102758), (2865, 97378), (4035, 69142), (5430, 51379), (5730, 48689), (8070, 34571)]