131816580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{313849}}^1$

素因数の和:313868

約数の個数: 48

約数和(自身を含む): 421814400

約数和(自身を除く): 289997820

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 313849, 627698, 941547, 1255396, 1569245, 1883094, 2196943, 3138490, 3766188, 4393886, 4707735, 6276980, 6590829, 8787772, 9415470, 10984715, 13181658, 18830940, 21969430, 26363316, 32954145, 43938860, 65908290, 131816580]

約数ペア:

[(1, 131816580), (2, 65908290), (3, 43938860), (4, 32954145), (5, 26363316), (6, 21969430), (7, 18830940), (10, 13181658), (12, 10984715), (14, 9415470), (15, 8787772), (20, 6590829), (21, 6276980), (28, 4707735), (30, 4393886), (35, 3766188), (42, 3138490), (60, 2196943), (70, 1883094), (84, 1569245), (105, 1255396), (140, 941547), (210, 627698), (420, 313849)]