280120914

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{9203}}^1$

素因数の和:9319

約数の個数: 48

約数和(自身を含む): 646120800

約数和(自身を除く): 365999886

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 89, 114, 171, 178, 267, 342, 534, 801, 1602, 1691, 3382, 5073, 9203, 10146, 15219, 18406, 27609, 30438, 55218, 82827, 165654, 174857, 349714, 524571, 819067, 1049142, 1573713, 1638134, 2457201, 3147426, 4914402, 7371603, 14743206, 15562273, 31124546, 46686819, 93373638, 140060457, 280120914]

約数ペア:

[(1, 280120914), (2, 140060457), (3, 93373638), (6, 46686819), (9, 31124546), (18, 15562273), (19, 14743206), (38, 7371603), (57, 4914402), (89, 3147426), (114, 2457201), (171, 1638134), (178, 1573713), (267, 1049142), (342, 819067), (534, 524571), (801, 349714), (1602, 174857), (1691, 165654), (3382, 82827), (5073, 55218), (9203, 30438), (10146, 27609), (15219, 18406)]