207801860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{78121}}^1$

素因数の和:78156

約数の個数: 48

約数和(自身を含む): 524979840

約数和(自身を除く): 317177980

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 70, 76, 95, 133, 140, 190, 266, 380, 532, 665, 1330, 2660, 78121, 156242, 312484, 390605, 546847, 781210, 1093694, 1484299, 1562420, 2187388, 2734235, 2968598, 5468470, 5937196, 7421495, 10390093, 10936940, 14842990, 20780186, 29685980, 41560372, 51950465, 103900930, 207801860]

約数ペア:

[(1, 207801860), (2, 103900930), (4, 51950465), (5, 41560372), (7, 29685980), (10, 20780186), (14, 14842990), (19, 10936940), (20, 10390093), (28, 7421495), (35, 5937196), (38, 5468470), (70, 2968598), (76, 2734235), (95, 2187388), (133, 1562420), (140, 1484299), (190, 1093694), (266, 781210), (380, 546847), (532, 390605), (665, 312484), (1330, 156242), (2660, 78121)]