178199420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{569}}^1\times {\mathrm{2237}}^1$

素因数の和:2822

約数の個数: 48

約数和(自身を含む): 428621760

約数和(自身を除く): 250422340

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 569, 1138, 2237, 2276, 2845, 3983, 4474, 5690, 7966, 8948, 11185, 11380, 15659, 15932, 19915, 22370, 31318, 39830, 44740, 62636, 78295, 79660, 156590, 313180, 1272853, 2545706, 5091412, 6364265, 8909971, 12728530, 17819942, 25457060, 35639884, 44549855, 89099710, 178199420]

約数ペア:

[(1, 178199420), (2, 89099710), (4, 44549855), (5, 35639884), (7, 25457060), (10, 17819942), (14, 12728530), (20, 8909971), (28, 6364265), (35, 5091412), (70, 2545706), (140, 1272853), (569, 313180), (1138, 156590), (2237, 79660), (2276, 78295), (2845, 62636), (3983, 44740), (4474, 39830), (5690, 31318), (7966, 22370), (8948, 19915), (11185, 15932), (11380, 15659)]