278330295940

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{4433423}}^1$

素因数の和:4433548

約数の個数: 48

約数和(自身を含む): 606279598848

約数和(自身を除く): 327949302908

約数列:

[1, 2, 4, 5, 10, 20, 43, 73, 86, 146, 172, 215, 292, 365, 430, 730, 860, 1460, 3139, 6278, 12556, 15695, 31390, 62780, 4433423, 8866846, 17733692, 22167115, 44334230, 88668460, 190637189, 323639879, 381274378, 647279758, 762548756, 953185945, 1294559516, 1618199395, 1906371890, 3236398790, 3812743780, 6472797580, 13916514797, 27833029594, 55666059188, 69582573985, 139165147970, 278330295940]

約数ペア:

[(1, 278330295940), (2, 139165147970), (4, 69582573985), (5, 55666059188), (10, 27833029594), (20, 13916514797), (43, 6472797580), (73, 3812743780), (86, 3236398790), (146, 1906371890), (172, 1618199395), (215, 1294559516), (292, 953185945), (365, 762548756), (430, 647279758), (730, 381274378), (860, 323639879), (1460, 190637189), (3139, 88668460), (6278, 44334230), (12556, 22167115), (15695, 17733692), (31390, 8866846), (62780, 4433423)]